Statistiques
Analyse de données, distributions de probabilités et tests d'hypothèses.
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analyze the scatterplot graph. age vs. weight which trend does the grap…
As age increases, weight increases.
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based on the histogram below, how are the data distributed, and where i…
Negatively skewed, and the mean is to the left of the median.
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question 11 1 pts the grades for the latest statistics exam are normall…
C. 47.72%
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question 10 solve for x ~ b(10, 0.75) for x = 5. 0.06 0.09 0.23 0.52 1 …
0.23
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which is a discrete random variable? o y = \height of an emperor pengui…
C. Z = "results of flipping two coins"
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the length of adult parakeets is normally distributed. if the mean leng…
3.59%
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this excel feature can be used to replace a word in the worksheet with …
B. Thesaurus
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the post - cold war period means the time right after the collapse of t…
True
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this is true for any integers a and b. (it is actually true for any num…
First blank: $7+(-9)$ Second blank: $-2$
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out of a sample of 760 people, 367 own their homes. construct a 95% con…
To construct a 95% confidence interval for a proportion, we use the formula $\hat{p}\pm z\sqrt{\frac{\hat{p}(1 - \hat{p})}{n}}$, where $\hat{p}$ is the sample - proportion, $z$ is…
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match the description with the correct colonial region. new england col…
New England Colonies: Included Connecticut, Rhode Island, and Massachusetts; Pilgrims and Puritans settled here; Economy based on fishing, lumber, and fur trade. Middle Colonies: …
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question 6 three six - sided dice are rolled. what is the probability t…
0.5%
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question 5 1 pts if continuous random variable x is normally distribute…
C. 42.75%
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question 4 1 pts you flip a coin 12 times. it lands on tails 9 times. w…
0.25
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qq1:when we say that x is correlated with y, we mean that a. x causes y…
c. increasing values of X are consistently associated with either increasing or decreasing values of Y.
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question 2 1 pts what is the probability of drawing a diamond or a spad…
10.7%
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question 8 (3 points) the data represent the number of cans collected b…
Blank 4: \(16.36\) Blank 5: Decreases Blank 6: \(14\)
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which describes data that is faked or misplaced? reasonable authentic i…
C. invalid
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question 8 (3 points) the data represent the number of cans collected b…
1. 18.5 2. 16 3. decreases; 16.36; decreases; 14
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word study anglo - saxon suffix - some a. directions: select the correc…
A. 1. fearsome 2. meddlesome 3. meddlesome 4. quarrelsome B. 1. The constant noise from the construction site is irksome. 2. The freshly - baked pie looked toothsome. 3. The large…
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question 7 (1 point) select all the distribution shapes for which the m…
A. bell - shaped B. uniform E. symmetric
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question 6 (1 point) the mean of data set a is 43.5 and the mad is 3.7.…
Blank 1: B Blank 2: greater than Blank 3: A Blank 4: A's Blank 5: 3.7 Blank 6: B's Blank 7: 4.1
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question 5 (1 point) which of these best estimates the standard deviati…
A. 5 points
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question 4 (1 point) the shoe size for all the pairs of shoes in a pers…
Blank 1: 7 Blank 2: 0
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question 3 (1 point) the data represent the number of cans collected by…
1. Mean: $18.5$ 2. Median: $16$ 3. The mean decreased from $18.5$ to approximately $15.45$ and the median decreased from $16$ to $14$.
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question 2 (1 point) what is the iqr? number of branches on 10 year old…
A. 7 branches
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question 1 (1 point) here is a data set: 1 2 3 3 4 4 4 4 5 5 6 7 1. wha…
Blank 1: \(4\) Blank 2: \(9.25\) Blank 3: increases Blank 4: \(18.97\) Blank 5: skewed
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word study anglo - saxon suffix - some a suffix is one or more syllable…
1. worrisome; meaning: causing worry 2. lonesome; meaning: tending to be lonely 3. tiresome; meaning: causing tiredness 4. adventuresome; meaning: tending to seek adventure B - 1.…
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5. a farmer has 300 ft of fencing and wants to build a rectangular pen …
# Explicación: ## Paso1: Escribir la ecuación de perímetro Dado que solo se necesitan cercas para tres lados y la longitud total de la cerca es de 300 pies, yendo de x + x+ y = 30…
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how does wheatleys use of couplets relate lines to one another? it crea…
How does Wheatley's use of couplets relate lines to one another? - It creates pairs of lines. Why would the author relate lines in that way? - to connect the subjects of the two l…
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what would this normal probability plot lead you to believe about the n…
The points roughly follow a linear pattern, indicating that the population is probably approximately normally distributed.
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which best describes the purpose of bar graphs? they show changes over …
They compare quantities for particular categories.
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study the data set shown. then answer the questions below. enter a numb…
A number that would not change the range: 50 A number that would change the range: 70
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on the board, your teacher shows an example of finding the range. one o…
The missing number is 11.
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what is the probability distribution if x ~ b(3, 0.82)? p(x = 0) = 0.01…
$P(X = 0)=0.01$, $P(X = 1)=0.08$, $P(X = 2)=0.36$, $P(X = 3)=0.55$
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study the data set shown. then answer the questions below. enter a numb…
First question: 68 Second question: 53
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you and your friends play a game of miniature golf. on the first hole, …
5
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your friend swims on the school team. in her first four races, her time…
25.2 seconds
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29 what does laissez - faire mean? 30 according to adam smith, what are…
29. Laissez - faire means non - interference by the government in economic affairs. 30. National defense, administration of justice, and provision of public goods. 31. Jean - Jacq…
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4. in canadian coins, 16 quarters is equal in value to 2 toonies. | num…
| number of quarters | number of toonies | | ---- | ---- | | 1 | 0.125 | | 16 | 2 | | 20 | 2.5 | | 24 | 3 | b. The value next to 1 (which is 0.125) means that 1 quarter is equal i…
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concurring opinion, smith v. goguen, 1974 it is ... a historical fact t…
What are the “certain attributes” particular to the United States flag?: Symbol of nation - hood and unity, representing national values and history. What does the Court mean by “…
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the railroads were both a cause and a victim of the economic downturn. …
The text does not provide information on how railroad owners made profits.
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question 5 observe the box and whisker plot. what is the value of q3? 7…
88
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observe the box - and - whisker plot. what is the approximate value of …
60
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observe the box - and - whisker plot. which of the following statements…
Question 2: The median is 21 Question 3: Right
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observe the box - and - whisker plot. what is the value of the median? …
75
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what is the meaning of the word solace as used in the passage? after to…
relief from sadness or suffering
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what is the meaning of the word pertain as used in the passage? rob is …
to have to do with
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what is the meaning of the word superfluous as used in the passage? \wh…
extra, or more than is needed
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what is the meaning of the word nonchalant as used in the passage? the …
calm and tranquil
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6. practice jai is also supposed to keep track of the amount of food th…
a. Graph: Points (1, 21.52), (2, 21.28), (3, 21.04), (4, 20.80), (5, 20.56) plotted and connected with a smooth curve. b. First - differences: -0.24 for all intervals. Second - di…
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what is the meaning of the word discern as used in the passage? as the …
to detect
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what is the meaning of the word compensation as used in the passage? a …
B. money given for doing a job
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by what means does the constitution allow the congress to raise revenue…
1. The Constitution allows Congress to raise revenue by laying and collecting taxes, duties, imposts, and excises. 2. A direct tax is levied directly on individuals or property an…
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what is the meaning of the word prudent as used in the passage? within …
B. sensible
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word study the prefix mal- means ot\ or \bad.\ what do you think malfun…
Not working properly or working badly.
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observe the box - and - whisker plot below. which of the following is t…
The median is 21 ### Question 2
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observe the box - and - whisker plot below. ages of retired people in f…
54
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how does each poets use of figurative language contribute to the overal…
Wheatley’s use of hyperbole accentuates her gratitude for God’s creation; Bradstreet’s use of metaphor shows how she cares about her writing.
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observe the box - and - whisker plot below. amount of gumballs in diffe…
19
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practice 1. the graph shows the proportions of blue paint and yellow pa…
The slope of the line is 1. It means that for every unit of blue paint, an equal unit of yellow paint is mixed to make green paint.
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observe the data and the box - and - whisker plot below. amount of gumb…
C. 4
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observe the data and the box - and - whisker plot below. amount of gumb…
8
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how is the data skewed? symmetric there is not enough data to determine…
Positive
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15. explain what 4 raised to the fourth power means.
\(4\) raised to the fourth power means multiplying \(4\) by itself \(4\) times, i.e., \(4\times4\times4\times4\).
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part b: quadratic 4. find the vertex of h(t) = -16t²+32t + 4. 5. explai…
### 4. # Explanation: ## Paso 1: Identificar los coeficientes Para una función cuadrática en la forma $h(t)=at^{2}+bt + c$, en $h(t)=-16t^{2}+32t + 4$, tenemos $a=-16$, $b = 32$ y…
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consider the box - and - whisker plot below. ages of respondents to a s…
Mostly positive
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read the excerpt from \sinners in the hands of an angry god.\ the devil…
A. devour
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rugby championship winners times won school how are the data skewed in …
A. A skew cannot be determined because this graph is a bar graph.
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consider the graph below. cost of electricity, kwh how are the data ske…
Positively
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watch the video and answer the question. based on the video, complete t…
A positive slope means the line rises from left to right. A negative slope means the line falls from left to right.
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10. determining the ___ of a music requires an interpretation of its pu…
10. D. function 11. C. Emic
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the data table represents the volumes of a generic soda brand. volumes …
(Without seeing the actual dot - plot details, we can't give a specific letter answer. But the correct dot - plot will have 2 dots above 80, 4 dots above 70, 3 dots above 75, 2 do…
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mason decides to research the relationship between the length in inches…
The change in the weight of the catfish (in pounds) per one - inch increase in length.
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fawzias math teacher plots student grades on their weekly quizzes again…
The predicted quiz score for a student who studies 1 hour per week.
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my friend monique is so lackadaisical. she never pays attention and alw…
distracted and lazy
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a car increases, then decreases, its speed. which table could represent…
The second table could represent the speed of the car as it first increases (from 45 mph at 5 minutes to 49 mph at 7 minutes) and then decreases (from 49 mph at 7 minutes to 47 mp…
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5. a certain amusement - park ride requires riders to be at least 48 in…
6. $z = 1.20$ 7. $z=-0.47$ 8. $124$
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5. a certain amusement park ride requires riders to be at least 48 inch…
132
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statement \i now think the number of representatives should bear some p…
1. Franklin's statement means representation should be based on population and decisions by member - majority. 2. Martin's statement means states have a right to equal representat…
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all animals are equal, but some animals are more equal than others. -an…
There is no such thing as equality.
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4. the vacation times website rates recreational vehicle campgrounds us…
a. $9.78$ b. $-1.53$ c. $48\%$ d. $11.7$
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a group of 250 middle school students were asked whether they prefer pl…
(a) 52% (b) 40%
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word study prefixes mis-, en-, em- prefixes are word parts added to the…
2. misplace: place; I always seem to misplace my keys. I need to find a better place for them. 3. enable: able; This new software will enable me to work more efficiently. 4. empow…
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researchers asked 150 families whether or not they were homeowners and …
(a) 48% (b) 74%
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a movie club surveyed 200 high - school students. the students were ask…
(a) 74% (b) 52%
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3. a family of two adults and two children on vacation in the united st…
a. $-1.62$ b. $373$ c. $84.13\%$ d. $3600$ e. $1729$
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4. when juliet says, that which we call a rose / by any other word woul…
Juliet means the name of a thing does not define its essence. Names may have some influence but are unlikely to make us a completely different person.
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exercises 1. a travel agency did a survey and found that the average lo…
1. a. $15\%$ b. $1\%$ c. $\$1998$ 2. a. $0.1587$ b. $0.3085$ c. $0.9332$ d. $0.9270$
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read the sentences. then, use inferences to answer the questions. the c…
ill - tempered
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read the sentences. then, use synonym clues to determine the meaning of…
hatred
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finding meanings by using synonyms as clues read the sentences. then, u…
strong hostility
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using definition clues read the sentence. then, use the drop - down men…
What does the word facetious mean? sarcastic and cleverly amusing What indicates that this is a definition clue? commas
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question 6 6 / 8 read this passage from the article: whats worse, the d…
D. refusing all engagements with the president
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warm - up active understanding the basics for word - meaning strategies…
A way to determine a word’s meaning is to study what surrounds it.
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1. a kindergarten teacher bought $21 worth of stickers and cardstock fo…
The vertical intercept is 0, which means when the teacher buys 0 packs of cardstock, she has 0 sheets of stickers. The horizontal intercept is 14, which means when the teacher has…
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based on context clues in the passage, what is the most likely meaning …
B. brief C. terse
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about suffering they were never wrong. the old masters: how well they u…
Ordinary life continues for people even when others are suffering.
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read the excerpt from the green gables letters by l. m. montgomery. the…
A. It conveys the idea that the trees in the woods are tired and ready for bed.
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read the sentence. when he gave his speech to younger audiences, jake k…
A. using good judgment C. being cautious E. ensuring appropriateness