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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which of the following is not a true statement about error in hypothesi…
B. A type I error is making the mistake of rejecting the null hypothesis when it is actually false.
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which of the following is not true about the tails in a distribution? c…
A. The inequality symbol in the alternative hypothesis points away from the critical region.
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fill in the blank the ______ is a value used in making a decision about…
test statistic
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fill in the blank. the ____ hypothesis is a statement that the value of…
null
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fill in the blank. a is a procedure for testing a claim about a propert…
hypothesis test
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identify the type i error and the type ii error that corresponds to the…
C. Reject the claim that the proportion of people who write with their left hand is 0.21 when the proportion is actually 0.21.
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what documents were written to persuade people to adopt the new constit…
C. Federalist Papers
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assume a significance level of $\\alpha = 0.01$ and use the given infor…
A. Fail to reject \(H_{0}\) because the P - value is greater than \(\alpha\)
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assume a significance level of $alpha = 0.05$ and use the given informa…
a. B. Fail to reject \(H_0\) because the \(P -\)value is greater than \(\alpha\) b. A. There is not sufficient evidence to support the claim that the percentage of adults that wou…
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the test statistic of ( z = 1.42 ) is obtained when testing the claim t…
a. right - tailed b. \(0.0778\) c. fail to reject \(H_0\)
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claim: the mean systolic blood pressure of all healthy adults is less t…
\(-0.51\)
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claim: fewer than 90% of adults have a cell phone. in a reputable poll …
\(-10.18\)
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claim: the standard deviation of pulse rates of adult males is more tha…
\(\sigma>12\)
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claim: more than 4.4% of homes have only a landline telephone and no wi…
a. \( p>0.044 \) b. \( H_0:p = 0.044 \), \( H_1:p>0.044 \)
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complete the frequency table for the following set of data. you may opt…
The frequencies for the intervals \(0 - 2\), \(3 - 5\), \(6 - 8\), \(9 - 11\) are \(3\), \(2\), \(7\), \(2\) respectively.
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the noon temperatures (in fahrenheit) for two cities were recorded over…
(a) City B (b) City A (c) City B (d) (Since no content for (d) is fully visible in the image, but following the pattern of using box - and - whisker plot features (e.g., if it was…
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complete the frequency table for the following set of data. you may opt…
| Interval | Frequency | |--|--| | \(0 - 4\) | \(7\) | | \(5 - 9\) | \(4\) | | \(10 - 14\) | \(6\) | | \(15 - 19\) | \(4\) |
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complete the frequency table for the following set of data. you may opt…
| Interval | Frequency | |--|--| | \(0 - 4\) | \(1\) | | \(5 - 9\) | \(5\) | | \(10 - 14\) | \(2\) | | \(15 - 19\) | \(7\) |
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(a) which city had the highest noon temperature? city b (b) which city …
(a) City B (b) City A (c) City B
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the noon temperatures (in fahrenheit) for two cities were recorded over…
(a) City B (b) City A
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o history classes with the same number of students took a final exam. t…
(a) Class B (b) Class B
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joe want to buy a new phone for $1,000 in one month, but he has no savi…
C. unrealistic
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which person is living within their means? a. cara earns $1,000 a month…
D. Dmitri earns $1,000 a month and spends $800 on rent, groceries, and other expenses.
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miss gruber ran a sit - up competition among her p.e. students and moni…
\(42.50\)
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does the table show the values of a valid probability function on the o…
no
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which z - values correspond to the top 88% of the standard normal distr…
\(-1.175\)
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complete the statement. round your answers to the nearest thousandth. i…
The outside 50% of the values are those less than \(32.586\) or greater than \(47.414\)
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a pharmaceutical company is developing a new test for gluten intoleranc…
\(0.938\)
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which z - values correspond to the bottom 66% of the standard normal di…
\(z<0.412\)
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at a swim meet, philip noted the number of members on various swim team…
\(4.10\)
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a toy store employee counted the number of toys in each bin in the sale…
\(229.16\)
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directions: you do not have to read a passage to answer this question. …
B. appropriate
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lucia created a marshmallow launching machine. she is confident that 77…
\(0.228\)
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directions: you do not have to read a passage to answer this question.r…
D. appropriate
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kiran lives 3 miles away from his school. school ends at 3 p.m. and kir…
\(0.5\) hours
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complete the statement. round your answers to the nearest thousandth. i…
The outside 88% of the values are those less than \(92.780\) or greater than \(105.220\)
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which financial decision would most likely create generational wealth? …
First question: B. A business owner sets up a trust fund in his will to benefit his children after he passes away. Second question: A. trust
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86. you roll a pair of dice. if the first die shows a 6, what is the pr…
D. \(\frac{1}{2}\)
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scatter plots and predictions in 1 - 3, sketch a trend line on the scat…
4. d. 26 lbs 5. b. 45 6. A reasonable price (by looking at the scatter - plot trend) is around \(\$400\) 7. A reasonable age (by looking at the scatter - plot trend) is around \(8…
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based on the nuance in the sentence below, what does famished mean? aft…
C. starving
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based on the nuance in the sentence below, what does petite mean? she w…
A. small
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denotation: the literal meaning of a word - can be found in the diction…
A. negative
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unit exam: foundations of literature active reading strategies active r…
hyperbole - exaggeration used to make a point
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active reading strategies active reading methods: 1. character analysis…
hyperbole - exaggeration used to make a point
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the data below represent the number of absences, x, and the final grade…
(a) The regression equation is \(y=-2.70x + 82.32\) (b) - Slope: C. For every day absent, the final grade falls by \(2.70\), on average. - y - intercept: A. For zero days absent, …
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refer to the accompanying data set and construct a 95% confidence inter…
C. The confidence intervals do not overlap, so it appears that adult females have a higher mean pulse rate than adult males
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8 multiple choice 10 points which of the following statements best desc…
Engaging with another culture in a meaningful and respectful way
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mientras lees para empezar... does any club you belong to at your schoo…
1. b. Concursos 2. b. Programas de intercambio 3. a. Exposición For part C: Yes, the Spanish classes are likely popular. The high number of "Sí" votes (160 out of 208) in the surv…
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question 4 (10 points) a university financial aid office wants to estim…
a. Assign 3 - digit numbers 001 - 975. Read 3 - digit from table, select if in range. b. 111, 061, 212, 159, 179, 176, 078, 363 c. Class level. Different class levels may have dif…
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question 1 (8 points) a university statistics department is conducting …
### Part a Form three blocks based on instructors (Hector, Ross, Pieters). Randomly assign one of the two teaching methods to each section within each block (e.g., using coin - fl…
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the graph below shows the numbers of wins by a basketball team over six…
(a) 24 (b) 2020 to 2021
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which of the following would be a correct interpretation of a 99% confi…
D. We are 99% confident that the interval from 4.1 to 5.6 actually does contain the true value of $\mu$
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which of the following is not a requirement for constructing a confiden…
D. The confidence level is 95%.
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fill in the blank the______is the best point estimate of the population…
sample mean
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if a table of information is not labeled with x and y, where is x? * le…
Left side
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refer to the accompanying data set and construct a 90% confidence inter…
\(66.5\) bpm \(<\mu<72.3\) bpm
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a study recorded the time (in minutes) spent on daily exercise by a gro…
A. The computed mean is 34.5 minutes, which is higher than the actual mean of 31.2 minutes.
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7) what is the rate of change from 1 minute to 3 minutes? 8) if ( m(x)=…
When \(x = 6\), \(M(x)=65\); when \(x = 10\), \(M(x)=95\); when \(M(x)=200\), \(x = 24\).
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a superlative score on a test is: a. the most common score b. a perfect…
B. A perfect score
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answer the questions below. (a) here are the prices (in thousands) for …
- (a) Median - (b) Mode - (c) Mean
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answer the questions below. (a) pablo wants to determine which letter a…
(a) Mode (b) Mean (c) Median
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example 4 use real numbers on wednesday, there is an 83\\(\\frac{1}{3}\…
Player 2 had the greatest on - base statistic.
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what does in- mean in inherent a. in, on, into b. over, above, on top o…
a. in, on, into
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there is a group of people waiting for the bus. use the graph and infor…
1. Alice – 7, Brenda – 6, Cathy – 3, Dennis – 1, Errol – 2, Freda – 5, Gavin – 4 2. There is a positive correlation between age and height.
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predict has the same or almost the same meaning as: compound volunteer …
anticipate
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additional has the same or almost the same meaning as: exhausted idle e…
C. extra
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figurative language quiz match the correct figurative language term wit…
1. p 2. f 3. o 4. m 5. d 6. a 7. c 8. t 9. g 10. i 11. e 12. b 13. j 14. k 15. h 16. l 17. r 18. q 19. o 20. m 21. a 22. d 23. b/g 24. b 25. c
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contradict has the same or almost the same meaning as: obscure dispute …
B. dispute
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information has the same or almost the same meaning as: intention purpo…
knowledge
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refer to the accompanying data display that results from a simple rando…
a. B. The sample is a simple random sample and the population is normally distributed or \(n > 30\) b. C. The methods work well with distributions that are not normal, provided th…
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primary has the same or almost the same meaning as: sublime interim for…
foremost
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approximate means to: be against express opposition to be or make close…
be or make close or similar
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argue has the same or almost the same meaning as: remove contain quarre…
quarrel
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effect means : a phenomenon that is caused by some previous phenomenon …
a phenomenon that is caused by some previous phenomenon
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problem means : a question raised for consideration or solution the sto…
a question raised for consideration or solution
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summarize means to: present the main points in a concise form make turb…
present the main points in a concise form
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analyze means to: move or swing back and forth take out of a literary w…
consider in detail in order to discover essential features
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accurate has the same or almost the same meaning as: corporate precise …
precise
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predict has the same or almost the same meaning as: volunteer compound …
D. anticipate
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additional means: having partial rights and privileges or subordinate s…
further or added
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significant has the same or almost the same meaning as: well - meaning …
noteworthy
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information means : knowledge gained through study or experience imagin…
knowledge gained through study or experience
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compare means to: consider or describe as similar or equal make an inco…
consider or describe as similar or equal
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3. “in ancient civilizations, the village near the river became a cultu…
B. The place where something begins or originates
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there are 22 black chips, 37 white chips, 30 blue chips, and 11 red chi…
37%
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there are 35 black chips, 18 white chips, 43 blue chips, and 4 red chip…
35%
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there are 33 black chips, 21 white chips, 44 blue chips, and 2 red chip…
44%
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there are 100 marbles in a bag. 10 are green, 38 are blue, 13 are red, …
False
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there are 100 marbles in a bag. 21 are green, 26 are blue, 17 are red, …
False
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there are 30 black chips, 25 white chips, 40 blue chips, and 5 red chip…
30%
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there are 100 marbles in a bag. 16 are green, 32 are blue, 17 are red, …
False
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many teens dream of sleeping in each day, but it has nothing to do with…
The author uses a problem - solution structure to address the various issues.
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there are 100 marbles in a bag. 16 are green, 32 are blue, 17 are red, …
False
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there are 100 marbles in a bag. 15 are green, 33 are blue, 17 are red, …
False
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there are 100 marbles in a bag. 20 are green, 25 are blue, 15 are red, …
False
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in a survey, 150 shoppers were asked whether they have access to a comp…
(a) \(34\%\) (b) \(40\%\)
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4. part a: what does the word \propagate\ most closely mean as it is us…
A. To spread or reproduce widely
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interpreting dot plots sheet 2 1) this dot plot shows the number of min…
a. True b. False c. False d. Unknown e. False f. False
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read this passage from the article: speaking of school, scientists say …
D. laughter has been linked
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question 7 (10 points) a red card means he/she is banned from the game …
Question 7: True Question 8: a. 10 players plus the Goalkeeper Question 9: c. Goalkeeper