統計と確率
データ分析、確率分布、仮説検定、統計手法。
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question 58 (1 point) the thematic apperception test (tat) involves sho…
ambiguous pictures and asking people to write or talk about them.
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find the range and the standard deviation for the three samples below. …
| | Range | Standard Deviation | |--|--|--| | Sample A | \(12\) | \(4.32\) | | Sample B | \(12\) | \(5.05\) | | Sample C | \(12\) | \(6\) |
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a professor had students keep track of their social interactions for a …
A. \(103\) B. \(4\) C. \(40 - 44\)
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the government of a large city needs to determine whether the citys res…
D. Survey a random sample of persons within each neighborhood.
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interpreting the strength of correlation bretts teacher observed bretts…
positive correlation, not likely causal
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determining the strength of a correlation claudia records the hours she…
The correlation coefficient is approximately \(0.85\). The strength of the model is strong.
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constitution (noun) con·sti·tu·tion ,kän(t)-stə-tü-shən a set of rules …
B. law
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finding the strength of a correlation over five different weeks, lina t…
weak negative correlation
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identifying the strongest correlation four students in ms. altons class…
Student A
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classifying a correlation which describes the correlation shown? weak p…
strong positive
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practice analyzing correlations. which correlation coefficient represen…
\(r=-0.64\)
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correlation and causation which relationships would most likely be caus…
a positive correlation between depth under water and pressure, a positive correlation between a puppy’s age and weight, a negative correlation between temperature and snowboards s…
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higgins: waking up what do you mean? liza: i sold flowers, i didnt sell…
A. Liza
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(03.07 mc) what is the difference between the terms ot guilty\ and \inn…
It cannot be proved that an individual is "innocent." Juries say "not guilty" because guilt was not proved in the case.
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9. if a country does not invest in its human capital, how can it affect…
A. GDP may go down because poorly trained workers will not be able to do their jobs. # 10.
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10. as it is used in paragraph 18, \mutual\ most closely means - o a. c…
D. shared.
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read the passage from animal farm. meanwhile life was hard. the winter …
It demonstrates repetition because Squealer reminds the animals that they are free at the farm because of the work they are doing. It demonstrates plain folks because Squealer exp…
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in the united states, 75 percent of adults wear glasses or contact lens…
C. 0.47
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woodschan says it made a huge difference. \you could see a huge shift i…
C. differences between groups of people from different backgrounds.
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how does the use of imagery create meaning? the imagery emphasizes the …
The imagery emphasizes the compassion and authority of the Eldest Magician.
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a thumbtack that is tossed can land point up or point down. the probabi…
The probability that at least 2 thumb tacks land pointing up when 5 thumb tacks are tossed is approximately 0.29.
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analyzing imagery payah kun, said the eldest magician, meaning, that is…
B. "he breathed upon the great rocks and lumps of earth", C. "the Moon rose big and full over the water", E. "Ho! Fisher of the Moon"
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8. if a graph line goes up as height increases, what does that mean?
It means there is a positive relationship between the two variables represented on the graph.
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students in algebra ii with statistics class were surveyed about their …
B. \(28\%\) (Assuming there was a typo in options and closest is \(28\%\) which is not in given options, but if we recalculate: \(\frac{81}{289}\times100=\frac{8100}{289}\approx28…
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which of these best strengthens a factual argument? descriptions from p…
statistics and examples from reliable references
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in the recent census, three percent of the u.s. population reported bei…
B. 0.0002
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in the recent census, three percent of the u.s. population reported bei…
A. normal
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the picture and sound electronics store has hired destiny to work in th…
She turns the crank 50 times to lift a box 25 feet.
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the u.s. center for disease control reports that the mean life expectan…
A. Student's t
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a bathroom scale claims to be able to identify correctly any weight wit…
c. A two - tailed test
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question 6 0.5 pts assume ( h_0: mu leq 6 ) and ( h_a: mu > 6 ). is thi…
B. This is a right - tailed test.
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question 5 what should you do when ( alpha > p \text{-value}? ) ○ a. re…
A. Reject $H_0$.
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the mean age of graduate students at a university is at most 31 years w…
\(H_0:\mu\leq31\), \(H_a:\mu > 31\). The data are not significant at the 1% level.
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question 3 when do you reject the null hypothesis? ○ a. when the p - va…
A. When the p - value is smaller than a preconceived alpha.
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a sociologist claims the probability that a person picked at random in …
\(H_0:p = 0.83\), \(H_a:p eq0.83\)
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the mean entry level salary of an employee in a company is $58,000. he …
$H_0:\mu\leq58000$; $H_a:\mu > 58000$
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part 1: practice with the big ideas as a college student, you are worki…
1. \( p \) is the proportion of all adults who decide to change careers. Numerically, \( p = 0.50 \). 2. The sample proportion \( \hat{p}=\frac{209}{380}=0.55 \). 3. \( H_{0}:p = …
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a construction crew is paving a road. the function graphed below shows …
(a) \(P(6)=70\) (b) The answer to part (a) means that after the crew has been working for \(6\) weeks, they will have \(70\) kilometers left to pave.
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in a recent survey, 8 people were each asked the number of times they h…
\(16\)
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a study randomly assigned people to one of the two groups. group 1 was …
experimental
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example: identifying probability distributions determine whether each d…
This is not a probability distribution because \(P(4)=-1\lt0\) (violates the non - negativity rule of probability distributions).
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experimental vs. observational a study took a random sample of students…
observational
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if the standard deviation of the data values in a sample is 13, what is…
D. 169
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6. social security benefits are meant to ______ your income. replace 40…
6. Replace 40% of 7. To balance high - risk investments with more steady and predictable ones. 8. It's unpredictable and risky. You should pull your money out and steer clear.
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which graph best represents the line of best fit for the scatterplot? a…
D
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which motivation best explains iagos actions? love for othello desire f…
- First question: Envy and wounded pride - Second question: Revenge destroys both the guilty and the innocent - Third question: Revenge always leads to greater harm
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which equation is the best fit for the data in the graph? a y = 8x - 75…
A. \(y = 8x-75\)
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current attempt in progress stacey is currently homeless. she wants one…
hierarchy of needs
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he was rejected by the little inner clique that held the national reins…
refused
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trajectory means : a mental representation of some haunting experience …
a progression or course of events, actions, or developments
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he said he had grown up in a large, comfortable apartment in pyongyang …
course
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rejection has the same or almost the same meaning as: reaction refusal …
B. refusal
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read the excerpt from chapter 6 of animal farm. every human being held …
They are motivated by others’ failures.
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project means to: make lackluster in appearance make or work out a plan…
make or work out a plan for; devise
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try. using the best fit line equation of y = 47.83x + 2315.25, predict …
\(3271.85\)
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what does \formal\ mean? expensive and luxurious casual and relaxed che…
D. Official and serious
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what does \informal\ mean? expensive and luxurious official and serious…
D. Casual and relaxed
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listen to the speech: being an indigenous person in the 21st century me…
to express confidence in the capability of Indigenous people
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what is egister\? the speed with which we speak the formality level of …
The formality level of words
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read the excerpt from animal farm and the passage on the history of the…
Napoleon has stolen the plans for the windmill from Snowball, just as Stalin took his ideas for industrialization and collectivization from Trotsky.
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read the sentence from the section \more power for parliament.\ the bil…
C. spoke poorly of
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17. find the population density, to the nearest tenth, for each of the …
(1) \( 219.3 \) people per square mile. (2) \( 282.2 \) people per square mile. A. State B has the greater population density by \( 62.9 \) people per square mile.
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question 12 the scatter plot below shows the relationship between the n…
D. \(f(h)=5h + 20\)
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17. find the population density, to the nearest tenth, for each of the …
(1) \( 219.3 \) people per square mile. (2) \( 282.2 \) people per square mile. A. State B has the greater population density by \( 62.9 \) people per square mile.
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paleography is the study of ancient writing. what does the root paleo m…
ancient
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something that is retroflex is bent or turned backward. what does the r…
back
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archaeology is the study of fossils, ruins, and tools left by ancient p…
ancient
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an organism that is phototrophic can produce food by using light. what …
feed or grow
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18. in 1920, a certain countrys population was 73,700,939, and its area…
El Estado B tiene la mayor densidad de población. - La densidad de población para el Estado A es \( 219.3 \) personas por milla cuadrada. - La densidad de población para el Estado…
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8. examine the excerpt to answer the question. esolved, that william je…
lying under oath in a legal proceeding and obstructing an investigation
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to supervise means to look over or direct someone or something. what do…
over or above
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homographs are words that are written the same but have different meani…
same
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homographs are words that are written the same but have different meani…
same
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calligraphy is the art of writing in a beautiful or decorative way. wha…
beautiful or good
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anthropology is the study of the history and development of humans. wha…
human
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menagerie most nearly means a art books. b stamps. c antiques. d wild a…
D. wild animals
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involved most nearly means a descriptive. b rotating. c propelled. d co…
D. complicated
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goals scored what was the mean number of goals scored? answer attempt 2…
\(1.9\) goals
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all thumbs most nearly means a clumsy. b skilled. c messy. d helpful. c…
A. clumsy
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part 2 - word knowledge all thumbs most nearly means a clumsy. b skille…
A. clumsy
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use this for #11 - 14: a bag contains 25 red markers, 18 blue markers, …
11. D. \(25/288\) 12. A. \(1/16\) 13. C. \(3/13\) 14. B. \(5/6\)
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use this for #11 - 14: a bag contains 25 red markers, 18 blue markers, …
11. D. \(\frac{25}{288}\) 12. A. \(\frac{1}{16}\)
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use the honor - roll table: . assume totals: school total = 200. honor …
B. \(19/75\)
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use this for questions 5 and 6 below: a basket contains 8 green apples,…
5. D. \( \frac{2}{63}\) 6. C. \( \frac{11}{105}\)
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read the sentence from paragraph 19 of the selection. but, miraculously…
Characterized by
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use this for questions 5 and 6 below: a basket contains 8 green apples,…
D. \(2/63\)
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3. a 7 - card hand is dealt from a 52 - card deck. which expression rep…
D. \(52C7\)
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3. a 7 - card hand is dealt from a 52 - card deck. which expression rep…
D. \(52C7\) ### Question 4
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read the sentence from paragraph 15 of the selection. over the first mo…
The state or condition of
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part one - multiple choice (circle the best answer) 1. a library code i…
D. 676,000
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read this sentence. the ballerina remained on stage after the curtain h…
A. enthusiastic praise
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exit ticket latin prefix en- (online) read this sentence from “the meta…
B. covered
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what does the latin prefix en - mean? a. in b. on c. into d. all of the…
D. all of the above
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to cite text that a reader can use to support his or her ideas and opin…
analyze: to examine the parts of something in detail; cite: to quote as evidence to support a response; explicit: clearly and directly expressed, leaving no room for doubt; implic…
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write your answer as a fraction or a whole number. with fractions, use …
$\frac{1}{6}$
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what is the probability of picking an orange marble and rolling an even…
\(\frac{2}{9}\)
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what is the probability of rolling a three on the first die and an even…
\( 1/12 \)
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what is the probability of flipping tails and rolling a five? write you…
The probability is $\frac{1}{12}$, where the numerator is $1$ and the denominator is $12$.
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what is the probability of flipping heads on the first coin and tails o…
\(\frac{1}{4}\)
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the table below shows the water level (in inches) of a reservoir for th…
The three - month average is less than the yearly average.