Estadística
Análisis de datos, distribuciones de probabilidad y pruebas de hipótesis.
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intelligence quotas on two different tests are normally distributed. te…
B. The individual who scores 126 on Test B.
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find the mean for the following group of data items. 5, 2, 9, 8, 3, 4, …
$5.5$
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find the range for the group of data items. 17, 18, 19, 20, 21 the rang…
4
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find the mean for the data items in the given frequency distribution. s…
$4.391$
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scores on a standardized intelligence test are normally distributed wit…
2.5
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a city council consists of six democrats and eight republicans. if a co…
$\frac{160}{429}$
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of the 40 plays attributed to a playwright, 10 are comedies, 19 are tra…
$29:11$
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find the midrange for the data items in the given frequency distributio…
$20.5$
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if you are given odds of 4 to 5 in favor of winning a bet, what is the …
$\frac{4}{9}$
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you randomly select one card from a 52 - card deck. find the probabilit…
$\frac{1}{13}$
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find the mode for the following group of data items. if there is no mod…
A. The mode(s) is/are 31
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the scores on a test are normally distributed with a mean of 80 and a s…
88
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consider a political discussion group consisting of 7 democrats, 7 repu…
$\frac{14}{153}$
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six stand - up comics, a, b, c, d, e, and f, are to perform on a single…
a. \(\frac{1}{6}\) b. \(\frac{1}{30}\) c. \(\frac{1}{720}\) d. \(\frac{1}{3}\)
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suppose (c(x)=x^{2}-13x + 86) for (0<x<30) represents the marginal cost…
\([4,9]\)
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find the median for the following group of data items. 21, 18, 17, 16, …
$17.5$
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use the table below to find the percentage of data items in a normal di…
32.67
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read the text. correlation is the relationship between two variables. s…
Positive correlation
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scores on the gre (graduate record examination) are normally distribute…
95
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the scores on a test are normally distributed with a mean of 200 and a …
305
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use the spinner shown. it is equally probable that the pointer will lan…
$\frac{1}{12}$
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you draw one card from a 52 - card deck. then the card is replaced in t…
$\frac{1}{169}$
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the clever rabbit long ago, in a wide grassland, a clever rabbit lived …
1. B. He was surprised and angry. 2. B. In a thoughtful way
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express the following probability as a simplified fraction and as a dec…
The probability as a simplified fraction is $\frac{37}{75}$. The probability as a decimal is approximately $0.49$.
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compute the correlation coefficient. | x | -6 | 6 | -5 | 25 | 26 | 40 |…
$-0.667$
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you volunteer to help drive children at a charity event to the zoo, but…
$12376$
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find the median for the data items in the given frequency distribution.…
4
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① living in the city my whole life, i was used to the clean, sharp line…
rural, natural, unpolished
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find the standard deviation for the group of data items. 10, 10, 12, 12…
$1.79$
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you are dealt one card from a standard 52 - card deck. find the probabi…
$\frac{1}{13}$
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read the paragraph. carefully maneuvering his skateboard through the ne…
Gino will be surprised by his friends' plans.
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of the 53 plays attributed to a playwright, 16 are comedies, 20 are tra…
$36:17$
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the accompanying data represent the miles per gallon of a random sample…
The z - score corresponding to the individual is $0.75$ and indicates that the data value is $0.75$ standard deviation(s) above the mean.
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question patels weekly salary includes a base pay plus commission on hi…
The slope, $0.09$, means that Patel's weekly salary increases by $0.09$ dollars for each 1 dollar in sales.
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explain the meaning of the following percentiles in parts (a) and (b). …
(a) B. 5% of 36 - month - old males weigh 11.0 kg or less, and 95% of 36 - month - old males weigh more than 11.0 kg (b) D. 95% of newborn females have a length of 53.3 cm or less…
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question janelle is planning to rent a car while on vacation. the equat…
The $C$-intercept, $15$ means that if Janelle drove $0$ miles on a particular day it would cost her $15$ dollars to rent the car for that day.
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explain the meaning of the following percentiles in parts (a) and (b). …
B. 5% of 36 - month - old males weigh 11.0 kg or less, and 95% of 36 - month - old males weigh more than 11.0 kg
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a highly selective boarding school will only admit students who place a…
348
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the bar graph shows the top 10 theme park groups worldwide by attendanc…
# Explanation: ## Step1: Locate group 8 on graph Find the 8th bar in the bar - graph. ## Step2: Estimate attendance value Read the height of the 8th bar on the vertical axis
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a single die is rolled twice. find the probability of rolling a 2 the f…
$\frac{1}{36}$
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the scores on a test are normally distributed with a mean of 70 and a s…
77
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mat100 - 04 college algebra 2025 - 3 3.10 - applications of slope - int…
The slope, $.575$, means that the total amount Bruce is reimbursed in one day increases by $.575$ dollars for each mile he drives on that day.
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one card is randomly selected from a deck of cards. find the odds in fa…
\(1:3\)
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use the spinner shown to answer the question. assume that it is equally…
$\frac{1}{4}$
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output: height in feet input: time in seconds slope = change in height …
The $P$-intercept, 31, means that Tuyet's monthly water bill payment would be 31 dollars if he used no water.
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17 mark for review data set a 22 23 24 25 26 the dot - plot represents …
C. The median of data set B is greater than the median of data set A, and the range of data set B is equal to the range of data set A.
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one option in a roulette game is to bet $3 on red. (there are 18 red co…
a. $-0.16$ b. C. This value represents the expected loss over the long run for each game played.
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earnest means : full of merriment devout or heartfelt lacking attention…
B. devout or heartfelt
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find the mode for the data items in the given frequency distribution. s…
A. The mode(s) is/are 5
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the bar graph shows the top 10 theme park groups worldwide by attendanc…
# Explanation: ## Step1: Locate group 8 on graph Locate the bar corresponding to theme - park group 8 on the bar - graph. ## Step2: Estimate attendance Read the height of the bar …
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comprise means to: support and strengthen form or compose cultivate, te…
B. form or compose
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the bar graph shows the top 10 theme park groups worldwide by attendanc…
25
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find the midrange for the following group of data items. 22, 19, 18, 17…
$19.5$
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but the scientific issues, while no slam - dunk, have become serious en…
D. impede
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at school assembly the next day, the mood was somber. in the sentence a…
D. solemn
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explicit means : capable of being wounded or hurt open to doubt or susp…
in accordance with fact or the primary meaning of a term
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11 the authors most likely use the examples in lines 1 - 9 of the passa…
11. D. number of special occasions involving gift - giving 12. B. conflicted 13. D. can serve to strengthen a relationship 14. (Need the full text to determine the correct lines) …
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domestic means : of or involving the home or family being in state of c…
A. of or involving the home or family
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elizabeth brought a box of donuts to share. there are two - dozen (24) …
$\frac{13}{184}$
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abolish has the same or almost the same meaning as: cheer up figure out…
D. get rid of
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compute the correlation coefficient. | x | 10 | 31 | 25 | 38 | -9 | 21 …
$-0.093$
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by the end of world war ii, the american model of youth had prevailed. …
B. predominated
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scores on the gre (graduate record examination) are normally distribute…
95
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turmoil has the same or almost the same meaning as: forgiveness simplic…
D. upheaval
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the frequency polygon to the right shows a distribution of iq scores. d…
A. False
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compute the correlation coefficient. | x | 20 | 31 | 23 | 29 | 7 | 28 |…
\(0.547\)
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earnest means : having a play of lustrous rainbow colors markedly new o…
D. characterized by a firm, sincere belief in one's opinions
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describe what is misleading in the visual display of data below. world …
D. Time intervals on the horizontal axis do not represent equal amounts of time.
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7 eccentric (ĭk - sentrĭk) adjective eccentric means bruce is quite ecc…
7. B. odd 8. C. a meeting 9. A. a perfect model 10. C. to speak ill of Matching: 3. Eccentric 5. Encounter 6. Epitome 9. Malign
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larry has $20 to spend at the store. he plans to purchase five items th…
No, his estimate is not accurate. When rounding the costs more appropriately, the total is $24$ which is greater than the $20$ he estimated, meaning he underestimated the total co…
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a random sample of 40 college professors is selected from all professor…
Stem | Leaves --- | --- 2 | 1 1 4 8 3 | 0 1 1 1 3 3 4 5 6 7 4 | 0 0 2 3 3 4 4 6 6 7 8 8 8 8 9 5 | 0 3 4 4 7 8 6 | 1 3 5 5 6 9 A. The greatest number of college professors are in t…
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23. a driver can legally pass on the right side of another vehicle: if …
If the vehicle is waiting to turn left and there is an available passing lane.
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determine whether the following statement makes sense or does not make …
D. The statement does not make sense because there are 2 modes in the data set.
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select the appropriate word or phrase to complete the sentence. the cor…
linear relationship
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question 6 of 14 (1 point) | question attempt 1 of 1 select the appropr…
nonlinear relationship
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tulsa race massacre worksheet part 1: key vocabulary match the term wit…
1. A prosperous African - American neighborhood in Tulsa, Oklahoma. 2. Nickname for the business area in the Greenwood District known for African - American economic success. 3. P…
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question 4 of 14 (1 point) | question attempt: 1 of 1 select the approp…
linear relationship
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the following is a list of a companys budget. column 1 shows the catego…
| Budget Category | Projected | Actual | Variance | % + or - | |---|---|---|---|---| | Sales | $680000$ | $720000$ | $40000$ | $5.88\%$ | | Returns | $11000$ | $12500$ | $1500$ | …
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question 3 of 14 (1 point) | question attempt 1 of 1 select the appropr…
a scatterplot
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rewrite the sentence using clearer, more precise vocabulary while keepi…
The company's market - success is due to its production of superior - quality products.
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a researcher measured the shoe size and math ability of a large group o…
(a) There is a correlation between shoe size and math ability. There may or may not be causation. Further studies would have to be done to determine this. (b) There is a correlati…
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13. this road sign means: intersection ahead. steep grade ahead. windin…
Steep grade ahead.
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comprise has the same or almost the same meaning as: turn down freeze o…
D. make up
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this became the backdrop for the montage of nostalgic childhood memorie…
C. wistful
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somber has the same or almost the same meaning as: uncheerful secure de…
A. uncheerful
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domestic means : produced in a particular country standing apart involv…
produced in a particular country
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explicit has the same or almost the same meaning as: haggard expressed …
B. expressed
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turmoil means : any plant disease resulting in withering without rottin…
B. a violent disturbance
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coherent means : expecting the best grossly irreverent toward what is h…
D. marked by an orderly and consistent relation of parts
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there are 55 students in spanish club. a sample of the spanish club stu…
A. 11
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explicit has the same or almost the same meaning as: dissimilar clear m…
B. clear
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shudder of cold horror through his whole being. why had the general smi…
He knows that General Zaroff could have caught him if he had wanted to.
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he talks about the cause with missionary zeal. source: washington times…
a feeling of strong eagerness
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as the pleasant minutes passed in easy conversation, i could not help r…
D. natural
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6 read this sentence from the text. draw conclusions, or answers, about…
A. good (adjective): high - quality
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nostalgic has the same or almost the same meaning as: unaccountable art…
D. wishful
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8 encounter (en - kountər) - noun ● my encounter with malik in a los an…
8. C. a meeting 9. A. a perfect model 10. C. to speak evil of 3. Unconventional 4. Exonerate 5. Encounter 6. Epitome 7. Adversary 8. Antagonism 9. Malign 10. Amiable
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earnest has the same or almost the same meaning as: opposite unkind inj…
D. serious
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which statements describe the reasons why the supreme court found the r…
B. Congress had changed the meaning of the First Amendment, rather than enforcing it. D. Congress had created a law that was not proportional to the problem it was fixing.
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the project comprised three sixteen - story buildings made of yellow - …
B. included