Estadística
Análisis de datos, distribuciones de probabilidad y pruebas de hipótesis.
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example 2: in 2007, a police department found there were 7,831 incident…
a.) $\frac{1807}{7831} \approx 0.231$ b.) $\frac{5403}{7831} \approx 0.690$ c.) $\frac{3166}{7831} \approx 0.404$ d.) $\frac{4665}{7831} \approx 0.596$
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when flying level, a spur-winged goose flies 22 miles in $\frac{1}{4}$ …
A(n) spur-winged goose flies 18 miles per hour faster than a(n) eider duck.
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¿cierto o falso? move a cierto o falso tile next to each statement base…
1. CIERTO. nouns include action words 2. FALSO. Spanish nouns have gender 3. CIERTO. Spanish nouns have one part/word 4. FALSO. el and la are plural articles 5. CIERTO. cognates l…
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the american with disabilities act of 1990 sets the minimum width of a …
1 centimeter on the floor plan represents 20 inches. The equation for the drag-and-drop is: $\boldsymbol{32 \div 1\frac{3}{5} = 20}$
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give the remaining examples a try on your own then watch the pencast to…
a.) $\frac{7}{30}$ b.) $\frac{1}{2}$ c.) $\frac{1}{2}$ d.) $\frac{7}{30}$ e.) $\frac{7}{15}$ f.) $\frac{1}{5}$
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select the pronunciation in this dictionary entry. import ªim-pawrtªi v…
\im-pawrt\
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insert the pronunciation in this dictionary entry:import (imˈpɔːrt) ver…
/ɪmˈpɔːrt/ (US) /ˈɪmpɔːrt/ (US noun); /ɪmˈpɔːt/ (UK) /ˈɪmpɔːt/ (UK noun)
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select the entry word in this dictionary entry. instrument ˈin-struh-mu…
Instrument
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what is the relationship between notes and rests in music? *○ notes mea…
1. Notes mean sound and rests mean silence 2. 4 beats
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example: at a breakfast buffet, 93 people chose coffee and 47 people ch…
### Breakfast Buffet: a.) $\frac{93}{130}$ b.) $\frac{83}{130}$ c.) $\frac{5}{26}$ d.) $\frac{23}{26}$ e.) $\frac{3}{26}$ ### College Freshmen: a.) $\frac{7}{30}$ b.) $\frac{2}{15…
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the number of fish, $f$, in skippers pond at the beginning of each year…
## Part B: 192 ## Part C: 2009 *(Note: For Part A, the graph is an exponential curve starting at (0, 3) (2000), passing through (1,6) (2001), (2,12) (2002), (3,24) (2003), (4,48) …
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discussion : the house on mango street discussion 1 before beginning th…
1. Esperanza feels ashamed and unhappy with her house; this makes her view herself as trapped and unfulfilled, as her home does not align with her idea of a "real" house and highl…
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3. marissa collected 8 seashells. her sister emily found 7 seashells. t…
Each friend received 3 seashells. To show with seashells: Draw 15 total seashells (8 + 7), then group them into 5 equal groups. Each group will have 3 seashells.
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short answer 1. in \the key,\ how does the government use religion to i…
### Short Answer: 1. The government gives young boys golden keys, telling them the keys will grant them entry to paradise if they die fighting in the war, using religious promises…
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10. clarisses definition of being social most clearly emphasizes- * a. …
10. C. meaningful conversation and awareness 11. C. the endurance of ideas
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more multi-step word problems solve each of the following problems usin…
1. 21 shirts 2. 5 bags 3. Cannot solve: Total number of seashells is missing from the image. 4. $\$10$
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persepolis - reading comprehension chapters: \the key,\ \the wine,\ \th…
1. C. To symbolize entry into heaven after death 2. D. Boys from poor families 3. C. Alcohol is illegal 4. B. She pours it into the toilet 5. D. Cutting her class 6. C. Entered ad…
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chipwich summer camp surveyed 100 campers to determine which lake activ…
C. Waterskiing
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① $0.192 \\times 10$ ② $0.39 \\times 1000$ ③ $100 \\times 42.4$ ④ $97.5…
1. $1.92$ 2. $390$ 3. $4240$ 4. $975.7$
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the circle graph describes the distribution of preferred music from a s…
B. Jazz is the preferred music for 56 students.
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a group of 500 middle school students were randomly selected and asked …
100
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the graph shows the value of a certain model of car compared with its a…
C. The correlation coefficient is close to 0.
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the population of a town can be modeled by the regression equation $y =…
B. 41,876
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question 17 of 25 which of these r-values represents the weakest correl…
D. -0.15
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question 16 of 25 what is the quadratic regression equation that fits t…
C. $y=-0.70x^{2}+2.37x+11.96$
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which graph has a correlation coefficient, $r$, closest to 0.75? a. gra…
C. Graph C
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question 13 of 25 which of the following r-values represents the strong…
D. 0.65
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question 8 of 10 which word in this sentence is a conjunctive adverb? t…
D. meanwhile
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question 11 of 25 which of the following is not a possible r-value? a. …
B. -1.6
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by visual inspection, determine the best-fitting regression model for t…
D. Exponential
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4. peter is draining his hot tub so that he can clean it. he puts a hos…
## Equation: $y=-4x+450$ ## Added Story Details: - Peter's hot tub started with 450 gallons of water before he began draining it. - The hose drains the hot tub at a constant rate …
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three runners competed in a race. data were collected at each mile mark…
A. Runner A
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exercise vi. drawing on your knowledge of roots and words in context, r…
1. traducing: To speak maliciously and falsely about someone to damage their reputation. 2. educe: To bring out, draw forth, or develop something (like a feeling or information) f…
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what is the equation of the line of best fit for the following data? ro…
C. $y = -1.560x + 22.105$
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$n(a) = square$ $n(a\\cap c) = square$ $n(a\\cap b\\cap c^{c}) = square$
$n(A) = 29$ $n(A \cap C) = 9$ $n(A \cap B \cap C^c) = 7$
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if weight is an explanatory variable and cost is the corresponding resp…
D. Cost
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question 4 of 25 estimate the line of best fit using two points on the …
B. $y = 8x + 20$
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question 3 of 25 suppose there is a strong positive correlation between…
C. When m increases, n tends to increase.
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by visual inspection, determine the best-fitting regression model for t…
D. Exponential
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caleb observed the costumes that people wore to a costume party. the th…
24%
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question 10 of 10 what is the exponential regression equation that fits…
B. $y=2.26 \cdot 3.02^{x}$
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at the 2022 winter olympics, one country won a total of 150 medals. a c…
D. 120
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question 9 of 10 what is the quadratic regression equation that fits th…
C. $y=2.13x^2 + 0.13x + 6.39$
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question 8 of 10 this table shows the rainfall (in centimeters) for a c…
D. No, because you can't have a negative amount of rainfall.
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question 7 of 10 which regression equation best fits these data? | x | …
B. $y=-0.32x^2 -1.26x+15.81$
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by visual inspection, determine the best-fitting regression model for t…
D. Quadratic
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a university purchased two different paintings in one year. the value o…
Painting A: $\$2027.50$ per year Painting B: $\$1000.00$ per year Painting A's value is increasing more quickly.
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by visual inspection, determine the best-fitting regression model for t…
B. Quadratic
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by visual inspection, determine the best-fitting regression model for t…
D. Exponential
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the number of employees for a certain company has been decreasing each …
536
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incorrect your answer is incorrect. use the aleks calculator to find 45…
32.85
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a calculator was used to perform a linear regression on the values in t…
A. $y = -2.9x + 13.5$
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6 meten 6-1 eenheden 1 hiernaast zie je een lijst met getallen. bereken…
1. a. $500$ b. $3 \text{ miljoen}$ c. $2 \text{ biljard}$ d. $6 \text{ biljoen}$ 2. a. $5 \times 10^5$ b. $8 \times 10^9$ c. $2 \times 10^2$ d. $1.5 \times 10^{15}$ 3. a. C. 9,5 b…
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question 9 of 10 what does it mean to say that a data point has a resid…
C. The point lies 1 unit above the regression line.
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suppose a city with population 200,000 has been growing at a rate of 7%…
828112
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estimate the line of best fit using two points on the line. a. $y=-4x+8…
C. $y = -8x + 80$
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what type of function is represented by the table below and for what re…
D. Exponential, because the y-values for successive integer values of x have a common ratio of 16
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question 7 of 10 a regression line was calculated for three similar dat…
C. Data set C
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question 6 of 10 a set of data points has a line of best fit of $y=2.5x…
C. -1
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question 4 of 10 a data set consists of the following data points: $(3,…
C. 4.5
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a data set consists of the following data points:$(3, 5), (5, 8), (6, 1…
C. 4.5
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question 2 of 10 which of the following best approximates the line of b…
A. [The line graph with a positive slope starting near y=2, passing close to all scatter points]
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2. the graph below shows the weight of a baby elephant where $x$ is the…
### Axis Labels: - x-axis: Time (in weeks) since the elephant's birth - y-axis: Weight (in pounds) of the baby elephant ### Equation: $y=30x+232$ ### Story of the Elephant: This b…
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which of these r values represents the strongest correlation? a. -0.7 b…
A. -0.7
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question 9 of 10 which of these is not a possible r value? a. 0.2 b. -0…
C. 1.75
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question 8 of 10 use a calculator to find the r-value of these data. ro…
C. -0.953
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question 7 of 10 which of the following graphs shows a positive linear …
C. Graph C
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miguel pays $24.07 for 5.8 gallons of gas. find the unit price in dolla…
$\$4.15$
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consider the graphs below. what are the explanatory variables? a. heigh…
D. Temperature, Time, Length
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find the number that makes the ratio equivalent to 24:96. 2:□
8
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find the number that makes the ratio equivalent to 5:1. $square$:6
30
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kim rode her bicycle 135 miles in 9 weeks, riding the same distance eac…
A. Eric rode 2 more miles per week than Kim rode.
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find the number that makes the ratio equivalent to 4:2. 40:□
20
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suppose that there were a strong correlation between the variables d an…
B. d may cause f.
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question 4 of 10 which of these r-values represents the weakest correla…
D. 0.2
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question 4 of 10 which of these r-values represents the weakest correla…
D. 0.2
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which graph best represents the following situation? as x increases, y …
B. Graph B
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a change machine at an arcade gives change for $1 bills and $5 bills. i…
D. 175
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see the table below. what is $f(2)$? what is the value of $x$ for $f(x)…
$f(2) = 11$ When $f(x)=15$, then $x=4$
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on a test consisting of only true/false questions and multiple-choice q…
B. The test contains 15 multiple-choice questions.
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each day for two weeks, howard recorded values for the following two va…
14 minutes
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two families are taking a vacation together. they each leave at 9 a.m. …
1. The equation for the Jacksons is $y = 40x + 50$ and the equation for the Milligans is $y = x + 60$: False 2. The cars will reach the same point in 4 hours: False 3. If the cabi…
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stem leaf 0 3,4,4,6,8 1 0,1,1 2 2,5,5,5,7,9,9 which histogram represent…
The fourth (teal) histogram (with frequencies 4-5, 2-3, 5-6 matching 5, 3, 6 for intervals 1-9, 10-19, 20-29)
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homework 5.3 reminder: complete hw on looseleaf with a proper heading. …
1. $\$10$; this represents the part. 2. $\$9$; $\$9$ is the part, $\$60$ (the full sneaker price) is the whole. 3. $\$24$ 4. $\$14.40$ 5. $\$3.50$; 10% means one-tenth of the hood…
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what percent of students have less than 1,000 songs on their mp3 player…
# Explanation: ## Step1: Count total number of students First, sum up all the frequencies from the bar graph: $2 + 3 + 5 + 2 + 6 + 2 = 20$ ## Step2: Count students with <1000 song…
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heights of 30 people what is an interval? a percentage a single number …
D. A range of numbers
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which circle graph represents the same data as the histogram?
C. (The orange-bordered circle graph with percentages: 7% (0 to 5), 13% (6 to 11), 31% (12 to 17), 27% (18 to 23), 22% (24 to 29) — note: minor rounding differences align with his…
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a table of values is shown below: input a value of $x$ that would make …
10 (or 11, or 12)
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2. if there are 300 kittens born for every 1,000 cats in a year, what i…
0.3 kittens
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1. what does population density tell us that population size does not? …
the area of the habitat (relative to population size)
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simplify the expression. write your answer on the line using only posit…
1. $\frac{5x^8}{y^5}$ 2. $-125a^{12}b^{6}$ 3. $125$ 4. $-64x^6$ 5. $\frac{1}{81x^4}$ 6. $12x^6$ 7. $-22^{\frac{1}{5}}$ 8. $\sqrt[4]{(-4)^3}$ 9. $-6$ 10. $1024$ 11. Scientific: $6.…
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question 1 of 10 a score of 3 or better on the exam administered at the…
A. An AP course
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what does the repeated mispronunciation of the narrators name mainly sy…
D. Feeling misunderstood or out of place
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multiple-choice question \writing materials were scarce and cumbersome.…
hard to find
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how does alvarez develop characterization in the story? standard: ela.e…
By describing the narrator's actions, thoughts, and memories
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imagine you are a poet in todays world. how might you draw inspiration …
D. By focusing on themes of identity, resilience, and cultural pride
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module 7 exam math 8 b / module 7 4. how can you determine if two ratio…
You can use cross-multiplication: for ratios $\frac{a}{b}$ and $\frac{c}{d}$, verify if $a \times d = b \times c$. If the products are equal, the ratios are equivalent.
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question 13 (multiple choice worth 1 points)08.05r lcthere are 480 jell…
60 (the option with this value)
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select the opposite meaning based on the image. simpático tímido genero…
A. Simpático
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read the excerpt from the great gatsby. twenty miles from the city a pa…
a sense of artificiality in the world the narrator finds himself in.