Statistics & Probability
Data analysis, probability distributions, hypothesis testing, and statistical methods.
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the movement of the progress bar may be uneven because questions can be…
self - reflection
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a scientist measured the heights (in cm) of several plants of a certain…
(a) 30 cm (b) 55 cm (c) 45 cm
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leah keeps track of the number of people inside a music hall to attend …
The average change in the number of people for every additional hour past 6 p.m.
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read the following quote: \at last, in 1611, was made, under the auspic…
This quote should be directly quoted in order to preserve a statement that is exceptionally well - written.
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multiple - choice question why do some primary sources tell different v…
There are multiple perspectives and bias usually exists with primary sources
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use the same scales to construct modified boxplots for the pulse rates …
C.
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1 year, the government for a state reported the number of new businesse…
(a) 40 (b) 25 (c) 20
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use the accompanying radiation levels (in $\frac{w}{kg}$) for 50 differ…
$1.155$
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use the accompanying radiation levels (in $\frac{w}{kg}$) for 50 differ…
$1.33$
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an office machine is purchased for $9100. assume that its salvage - val…
a) $V(4)=3737.36$. After 4 years, the salvage - value of the office machine is $3737.36$ dollars. b) $V^\prime(4)=-834.74$. After 4 years, the salvage - value of the office machin…
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use the accompanying radiation levels (in $\frac{w}{kg}$) for 50 differ…
$0.96$
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school lunch amanda has $210 in her school lunch account. she spends $3…
The x - intercept is 6. This means that after 6 weeks, Amanda will have $0 in her school lunch account. The y - intercept is 210. This means that there was initially $210 in Amand…
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an office machine is purchased for $9100. assume that its salvage - val…
a) $V(4) = 3727.36$. The meaning of $V(4)$ is that the salvage value of the office machine 4 years after purchase is $3727.36$ dollars. b) It seems there is a mis - label in part …
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an office machine is purchased for $9100. assume that its salvage value…
a) $V(4) = 3727.36$. The expression $V(4)$ means that after 4 years, the salvage value of the office machine is $\$3727.36$. c) The salvage value of the office machine will be hal…
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14. this question has two parts. first answer part a. then, answer part…
y - intercept: 210; This means that there was initially $210$ in Amanda's school lunch account. x - intercept: 6; This means that after 6 weeks, Amanda will have $0$ in her school…
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what does the word sustainable mean as it is used in paragraph 1 of the…
can be maintained
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an office machine is purchased for $7700. assume that its salvage value…
a) $V(3) = 1663.20$. The meaning is that after 3 years, the salvage - value of the office machine is $1663.20$ dollars. b) $V^\prime(3)\approx - 850.03$. The meaning is that at $t…
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an office machine is purchased for $7700. assume that its salvage value…
a) $V(3) = 1663.20$. The expression $V(3)$ means that after 3 years, the salvage value of the office machine is $1663.20$ dollars. c) $t\approx1.37$ years (rounded to two decimal …
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an office machine is purchased for $7700. assume that its salvage - val…
$1663.20$
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the following are the ratings of men by women in an experiment involvin…
3.0, 6.0, 6.5, 8.5, 10.0
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a marketing manager asked two groups, group a and group b, whether they…
68%
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table below shows the high temperatures last thursday for five cities, …
C. \(85^{\circ}F\)
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word of the day—bene choose the sentence that best reflects the meaning…
My uncle became my benefactor; he paid for my college education.
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word of the day--bene choose the sentence that best reflects the meanin…
The priest gave a benediction at the end of the service.
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read these excerpts from two passages. should you work during the schoo…
The causes of lack of sleep and how it affects high school students.
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word of the day - bene choose the sentence that best reflects the meani…
The benevolent king provided food for his minions during the drought.
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part of a survey, 19 college graduates and 18 non - graduates were aske…
(a) Graduates: 34, Non - graduates: 37 (b) Non - graduates (c) Each had the same
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a stem - and - leaf display below gives the number of minutes that cust…
(a) First restaurant: 42, Second restaurant: 38 (b) First restaurant (c) First restaurant
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read the sentence from paragraph 1. these days, americans hear the cult…
D. a term representing a currently popular concept E. a term that is overused for a certain period of time
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read the following paragraph. in 1250 - century france, the word bachel…
B. In the 18th century, the word referred to a certain educational degree.
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part of its interview process, an employment agency tests the clients t…
(a) Offer: 34, No offer: 31 (b) Offer (c) Each had the same
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from unit 5, lesson 1 the number of cups in a stack is a function of th…
a. - On the x - axis, label it "Height of the stack (cm)". On the y - axis, label it "Number of cups". The graph will be a step - like function. When the height is 0, the number o…
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read part of this sentence from paragraph 7 of the passage. ... a softc…
The book can be shaped to fit into a small space.
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in the venn diagram below, b and c are events in the sample space s. (n…
Shade the area in the sample - space $S$ that is not inside the circle labeled $C$. This includes the non - overlapping part of circle $B$ and the region outside both circles $B$ …
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with which answer choice would the villagers of sleepy hollow most like…
Option 2; D
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read this sentence from paragraph 11 of the passage. the average americ…
A. accumulating more and more
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in the venn diagram below, b and d are events in the sample space s. (n…
Shade the region of the sample - space $S$ that is outside both circle $B$ and circle $D$.
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in the venn diagram below, b and d are events in the sample space s. (n…
Shade the region of the sample space $S$ that is outside both circle $B$ and circle $D$.
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human geography lesson 1. the worlds people essential question: how do …
1. High birth - rates combined with low death - rates due to improvements in healthcare, sanitation, and nutrition. 2. The amount of time it takes for a population to double in si…
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in the venn diagram below, b and c are events in the sample space s. (n…
Shade all the area outside of circle $B$ and the entire circle $C$ on the Venn - diagram.
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read the following: he told her he was sorry for what he had done. she …
O. curse
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in the venn diagram below, b and d are events in the sample space s. (n…
Shade the overlapping region of the circles labeled $B$ and $D$.
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identify three regions of the venn diagram that represent students who …
1, 3, 7
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aaron is a high school graduate working as a retail clerk. he earns a m…
3 years
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in the venn diagram below, c and d are events in the sample space s. (n…
Shade the entire sample - space $S$ except for the intersection region of $C$ and $D$.
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read the following paragraph from an essay against banning dog breeds: …
There is no clear proof that pit bulls are inherently dangerous.
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normal distribution - find z score due: october 4 at 8:00 am grade: 80%…
# Explicación: ## Paso 1: Identificar los límites en términos de desviaciones estándar El valor de 14 minutos está a $(20 - 14)\div2=3$ desviaciones estándar por debajo de la medi…
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government agencies keep data about the income distribution of the popu…
(a) The Bennett family earns more than the Tanaka family. (b) About 19% of the families in their county earn less than the Tanaka family.
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a population characteristic is normally distributed. approximately what…
C. 95%
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from unit 3, lesson 9 an airline company creates a scatter plot showing…
a. Yes, the number of flights offered and average distance driven to the airport are correlated. b. No, neither variable necessarily causes the other to change.
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a national chain of department stores ranks its 1,000,000 salespeople b…
(a) About 84% of the salespeople had sales higher in value than Mary. (b) Michael's sales were higher in value than Mary's sales.
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read the following sentence from the text. as a result, many children a…
D. a broad range of different opinions, people, etc.
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last year over 10,000 students took an entrance exam at a certain state…
(a) Christine scored higher than about 76% of the students who took the exam. (b) Both Christine and Juan scored higher than the median.
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a national chain of department stores ranks its 1,100,000 salespeople b…
(a) About 45% of the salespeople had sales lower in value than Martina. (b) None of the given statements are true.
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which graph represents the function $f(x)=2^{x}+2$?
B. \((0,3)\) (assuming the function was meant to be \(f(x)=2^{x}+2\) based on the given options)
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its a fact that all babies use diapers. however, parents should stop us…
A. It's a fact that all babies use diapers. C. If you happen to have a baby that grows quickly, then you have to buy more disposable diapers, more often, or you might waste unused…
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multiple choice identify the choice that best completes the statement o…
9. A. poor 10. D. The flowers do not fit in their cheerless lives. 11. C. She hears her father cry over his lack of a job. 12. B. the chance for beauty amid an ugly situation 13. …
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section 2: feudalism in europe 1. the feudal system was based on a syst…
1. land 2. lord; vassal 3. fief 4. days 5. land; protection 6. serfs 7. serf 8. economic 9. manor 10. manor 11. tithe 12. pray 13. noble 14. buildings 15. difficult 16. social hie…
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normal distribution - find z score due: october 4 at 8:00 am grade: 60%…
# Explicación: ## Paso 1: Recordar la regla empírica La regla empírica para una distribución normal dice que el 99.7% de los datos se encuentran dentro de $\mu\pm3\sigma$, donde $…
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read this portion of an outline from a passage. 1. should students work…
money, time management, and future employment
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question: the amount of time a certain brand of light bulb lasts is nor…
# Explicación: ## Paso 1: Calcular los desvios estándar Calculamos los desvios estándar para los valores dados. Para $x_1 = 1305$: $z_1=\frac{1305 - 1500}{65}=\frac{- 195}{65}=-3$…
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the average height of students in courtneys class is 5.5 feet, with a s…
A. 1.5
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normal distribution - find z score due: october 4 at 8:00 am grade: 30%…
# Explicación: ## Paso 1: Identificar los límites en términos de desviaciones estándar Calculamos cuántas desviaciones estándar están los valores 36 y 60 del promedio. Para $x = 3…
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when corey goes bowling, his scores are normally distributed with a mea…
# Explicación: ## Paso 1: Identificar la distancia al promedio Calculamos la diferencia entre los valores y el promedio. $90 = 100 - 10$ y $110 = 100+10$, es decir, $90$ y $110$ e…
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question: the amount of time a certain brand of light bulb lasts is nor…
# Explicación: ## Paso 1: Identificar la media y la desviación estándar La media $\mu = 2000$ horas y la desviación estándar $\sigma=35$ horas. ## Paso 2: Calcular los límites en …
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deltamath normal distribution - empirical rule unique id:0089 back to h…
# Explicación: ## Paso 1: Identificar la distancia al promedio El promedio es $\mu = 69$ pulgadas y la desviación estándar es $\sigma=2$ pulgadas. Calculamos la diferencia entre l…
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on a jogging trail, you take a random sample of the speed of 50 joggers…
C. You conclude that the average speed of all joggers on this trail is close to 5.3 mph.
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“whether they will or not, americans must now begin to look outward. th…
1. Due to growing production and strategic position. 2. A canal (like the Panama Canal). 3. Need for more markets and resources for growing economy. 4. Business - owners and indus…
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in the united states, the mean average height of adult women is approxi…
A. 82%
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what does elizabeth most likely mean in the following passage (paragrap…
Question #1: B. She is not sure if she remembers the exact details of everything that happened, but she can recall the way that she felt when she was growing up. Question #2: B. H…
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scientists measured the lengths of a species of lizard in a region. the…
C. 34%
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read each word, its part of speech, and its meaning. then write a sente…
One food that comes in a box is cereal. I put a lid on the jar. If I lit a campfire, I would cook marshmallows. I mix together flour and sugar. When I was six years old, I lived i…
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la tabla siguiente muestra el número de millas corridas y el número de …
El diagrama de dispersión se construye ubicando los puntos correspondientes a los pares de valores de la tabla en un sistema de coordenadas cartesiano con eje x para el número de …
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literary analysis worksheet directions: carefully read the text. then f…
1. Symbols: - Symbol: China; What it might represent: The mother's cultural heritage and the daughter's yearning for her Chinese roots. 2. Imagery: - Imagery: "a sour American loo…
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literary analysis worksheet directions: read the text carefully. then, …
Since no text is provided, we cannot fill in the tables. But the general approach to fill them is as follows: For the "Symbols" table: After reading the text, identify elements th…
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describe one way the colonists responded to the stamp act. * your answe…
1. They boycotted British goods. 2. Colonists objected to being taxed without representation in Parliament. 3. The Stamp Act taxed printed materials; the Townshend Acts taxed impo…
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what can the reader mainly infer from the following passage (paragraph …
1. D. The children hate the marigolds because they cannot understand or appreciate the flowers’ beauty 2. A. The mature part of Lizabeth experiences remorse and shame
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why was georgia the subject of many military invasions? it was in betwe…
Question 1: It was in between Spanish and English territory Question 2: Empty
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question 1 why was georgia the subject of many military invasions? it w…
Question 1: It was in between Spanish and English territory Question 2: Empty
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read the excerpt from perseus. it happened that soon after their arriva…
- Kings ruled over local areas - Kings sponsored sporting events - People came to watch the athletic games - Outsiders could take part in the athletic contests - Discus throwing w…
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which word contains a word root that means \believe\? credential dictio…
credential
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the excerpt is from the omaha platform in 1892. \. we demand a national…
# Breve explicación: Los agricultores rurales en la época de la plataforma Populista en EE. UU. buscaban reformas económicas que les dieran más control y justicia en el sistema fi…
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the heights, in feet, of 10 lighthouses: {136, 107, 140, 60, 146, 95, 8…
Minimum: 60 Lower Quartile: 85 Median: 104 Upper Quartile: 115 Maximum: 146
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3. now, you try to understand what the sentences mean. fill in the blan…
a. a b. avons c. êtes d. ont e. suis f. es g. ont h. est i. as j. est Self - description sentences: 1. J'ai deux soeurs. 2. J'ai vingt - ans. 3. Je suis sportif. 4. Je suis à la m…
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name saving and investing date directions: compare and contrast the inv…
1. F 2. T 3. F 4. F 5. F 6. T 7. T 8. F 9. F 10. T
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8.1 quiz exponential functions 1. what is the value of h and k on the p…
A. \(h = 1,k = 3\) ### 2. For the function \(y = 3^{x + 4}-2\)
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read the excerpt from act 5, scene 1, of julius caesar. messenger. prep…
It suggests that the enemy is well - decorated and showy in their confident approach.
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create a box - and whisker plot and give the five - number summary for …
Minimum: $12$ Lower Quartile: $15$ Median: $22$ Upper Quartile: $31.5$ Maximum: $39$
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reading passage ethan, glaring at his face in the glass, threw his head…
D. stubbornly
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question 10/11 what does first zeena say that upsets ethan as he is pre…
B. "If you say you can't afford a hired girl when Mattie goes."
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reading passage \sickly,\ and frome had to admit that, 30 if she were a…
A. inactive
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reading passage question 5/11 as used in line 14, fatuity most nearly m…
C. foolishness
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reading passage question 3/11 why is zeena unhappy with mattie? a her h…
A. Her housekeeping skills lack the attention to detail expected by Zeena
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return to the essay as you respond to the following questions. use text…
1. The use of "alien" implies a feeling of being an outsider, which shows the author's discomfort with not fully belonging. 2. The statement may indicate pride in her cultural ide…
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find the 5 - number summary of the following: 60, 56, 43, 35, 62, 71, 6…
Lower Quartile (Q1): 43 Median: 60 Upper Quartile (Q3): 65
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youtube: why pop music is obsessed with you by andrew huang 1. what not…
1. a. Tonic 2. c. The second note in a scale 3. a. Rock and Roll 4. a. Tonic 5. a. Tonic 6. a. It energizes 7. a. The tonic (C), c. The subdominant (F)
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using a frequency table to construct a histogram. the frequency table w…
1. **What will the horizontal axis represent?** - # Explanation: ## Step1: Recall histogram - axis representation In a histogram, the horizontal axis represents the variable being…
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the histogram shows the number of text messages sent by two high - scho…
Texting is done in clusters.
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directions: the function $v(t)=250,000(1.038)^t$ represents the value (…
The annual percent rate of change is $3.8\%$. This means that the value of the home increases by $3.8\%$ each year after its initial purchase.
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dean describes the data in the histogram as having a cluster from 30 - …
The graph is not symmetrical.