Estadística
Análisis de datos, distribuciones de probabilidad y pruebas de hipótesis.
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linear equations w/ distribution (lev 1) score: 1/5 penalty: none quest…
$y = 8$
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the distribution of the tuitions, fees, and room and board charges of a…
$20230.12$
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error analysis describe and correct the error in determining if 8 is in…
The error in the original analysis is incorrect simplification of the left - hand side of the inequality. To correctly determine if 8 is in the solution set, substitute 8 into the…
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the purpose of this space is unclear. which of these possibilities is l…
Used as some sort of market or exchange
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19. what is the first step in the problem - solving process? a) brainst…
19. c) Identifying and defining the problem clearly 20. b) Encourage wild or unusual ideas without judging them at first 21. b) Create an action plan to implement the solution 22.…
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12. a collaborative team member is someone who: a) only does their own …
12. b) Works together with others to create something 13. c) Ideas and concerns are shared openly and respectfully 14. b) Taking responsibility for your tasks and commitments 15. …
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select the correct answer. neil donated 30 notebooks to a local school …
D. Ronald's box
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at of each number, write a word that includes meaning of the word. then…
A. (No match in options for "not" prefix). B. sub - C. ad - D. con - E. trans - F. ject G. gen H. path I. vert J. -ology
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select the correct answer. the transportation department of frederick i…
D. As the sample size is appropriately large, the margin of error is 0.079.
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my virtual academy... box plot graph. box... next post test: inferences…
90% confidence interval: (34%, 60%) 95% confidence interval: (32%, 60%)
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select the correct answer from each drop - down menu. a veterinarians o…
Percentage of patients that were dogs: $46\%$ 90% confidence interval: $(34.4\%,57.6\%)$ 95% confidence interval: $(32.2\%,59.8\%)$
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select the correct answer from the drop - down menu. the number of book…
2.5
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select the correct answer. the data manager for a state political party…
D. 70,244 and 70,632
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drag the values to the correct locations on the image. not all values w…
The left - hand box: 98.75; the top box in the fraction: 10.45; the bottom box in the square - root: 60.
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18 type the correct answer in the box. use numerals instead of words. t…
95
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select the correct answer. which measure describes the standard error o…
A. the standard deviation of the means
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select the correct answer. the numbers of pages in the books in a libra…
B. About 16% of the books have fewer than 150 pages.
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select the correct answer. a population has a standard deviation of 7.8…
C. 0.46
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select the correct answer. the city transit authority surveyed 1,000 ci…
C. The report's claim is true.
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select the correct answer. energized and powercell are companies that m…
A. Both manufacturers' claims are true because most of their batteries lasted longer than the average alkaline battery.
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select the correct answer. a researcher for a travel company is looking…
B. $257.82$ and $272.18$
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post test: inferences from data pinks 22% blues 29% yellows 24% greens …
- Since only existing customers were surveyed, the results were not random. - The mail - in survey may have resulted in an undercoverage bias. - The difference among the percentag…
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a national restaurant chain claims that their servers make an average o…
A. 2.56%
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type the correct answer in the box. use numerals instead of words. a tr…
$0.78$
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select all the correct answers. two friends worked together on an essay…
A. Put both names in equal amounts into a hat and draw one without looking B. Ask a random friend to choose E. Ask a stranger to flip a coin
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select the correct answer. mike wants to find the confidence interval f…
B. the critical value
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select the correct answer. which data set is the farthest from a normal…
E. 2, 4, 5, 5, 6, 6, 7, 7, 7, 8, 8, 9, 9, 10
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select the correct answer. the income distribution in a county is a nor…
D. 84% of the wage earners earn less than $14,000$ each.
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type the correct answer in each box. use numerals instead of words. if …
60, 10
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select the correct answer. juan runs a company that makes pens. he noti…
D. His model can be improved the most by removing all the face cards and aces from the deck.
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type the correct answer in each box. use numerals instead of words. a c…
31, 0.05
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select the correct answer. a veterinarian is interested in the average …
A. survey
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type the correct answer in each box. use numerals instead of words. stu…
making a brochure: 4 blue chips writing a news article: 6 yellow ships designing a computer presentation: 10 red chips
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question enola borrowed some money from her friend in order to help buy…
The equation for $L$ is $L=-20t + 100$. The x - intercept is $t = 5$, which means it takes 5 weeks for Enola to pay off her loan.
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select the correct answer. members of a student council are designing a…
B. The sample proportion would less closely model the population proportion.
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question 7 of 8 select the correct answer. samantha is conducting an ex…
$\frac{7}{27}$
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question 7 of 8 select the correct answer. samantha is conducting an ex…
$\frac{7}{27}$
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question 6 of 8 select the correct answer. a juice tasting was conducte…
Given the person selects juice C, the probabilities of the person being from any group are similar.
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type the correct answer in each box. use numerals instead of words. a m…
$2.5$
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select the correct answer. mateo teaches a continuing education class a…
A. It is valid if the result from all the surveys and the model get closer together.
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drag each tile to the correct box. three groups of employees are evalua…
1. An employee is from group A and the performance is below expectations (least probability) 2. An employee is from group B and the performance meets expectations 3. An employee i…
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select all the correct answers. paul needs to randomly select one of hi…
A. a standard deck of cards C. a six - sided number cube D. two coins E. a spinner divided evenly into 12 sections, with three sections each of four different colors
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question 4 of 8 select the correct answer. consider the probabilities s…
Since \(P(A\cap B)=P(A)\times P(B)\), \(A\) and \(B\) are independent events.
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select the correct answer. which statement is true? a. a sample statist…
D. To calculate a point estimate, we need to know the sample size.
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select the correct answer. a fair, unbiased coin was flipped 10 times, …
C. 0.3
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select the correct answer. the designers of a standardized test are int…
D. the frame
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5 select the correct answer. when evaluating a survey, jody saw that 54…
C. The population proportion of those who think the driving age should be raised may or may not be greater than the proportion who think it should remain the same.
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3 select the correct answer from the drop - down menu. a survey conduct…
21.5%
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select the correct answer. two movies, an action movie and a drama, wer…
B. The claim made by the producers of the action movie is correct since more viewers liked the action movie than the drama.
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sample proportions and margin of error: mastery test 5 select the corre…
D. 0.74
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select the correct answer. the results of a study revealed a sample pro…
A. 28.54% and 57.46%
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3 select the correct answer. a survey was conducted on a random sample …
D. It can be concluded, with 90% confidence, that between 75% and 81% of all students will rate the new honors program as "very rigorous."
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sample proportions and margin of error: mastery test 2 select the corre…
When creating a confidence interval, higher confidence corresponds to a wider interval, and lower confidence corresponds to a narrower interval.
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select the correct answer from each drop - down menu. marcus gathered d…
\(24\pm1.75\)
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select the correct answer from each drop - down menu. marcus gathered d…
The margin of error for the 95% confidence interval is approximately \(1.3\) (closest calculated value), but if choosing from the dropdowns, the value is \(1.47\) (though not exac…
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select the correct answer from each drop - down menu. marcus gathered d…
1.47
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select the correct answer. a population has a standard deviation of 11.…
C. 0.90
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normally distributed sample means: mastery test select the correct answ…
14.98
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select the correct answer from each drop - down menu. brittany conducte…
population mean
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select the correct answer. a clothing retailer is gathering data on the…
D. There is not enough information to make a conclusion about the population mean.
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select the correct answer. julie manages a franchise restaurant and is …
D. $6.66$ and $7.04$
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normally distributed sample means: mastery test 1 type the correct answ…
0.85
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1. what is the basic power and responsibility of the courts? 2. what ty…
1. To interpret laws and settle disputes. 2. Statutes, regulations, common law. 3. Need to check constitutionality, precedent - consistency, and implications. 4. Consider law hier…
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which sentence is written in third person point of view? choose one opt…
D. Cynthia and her brother walked home from school this afternoon.
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i have to tell you—ive never won anything in my life. ive lost every co…
D. "I mean, there was the time I won the school raffle, but that doesn't count."
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4 multiple answer 2 points what does \ashta\ translate to in english? 4…
4. D. 8 5. A. Head to knee pose 6. A. Half
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the line plot has 8 < dots plotted on it. the greatest value on the lin…
The height of \(8\frac{1}{2}\) inches occurs most often on the line plot. The greatest value on the line plot is \(9\frac{1}{4}\). The line plot has 7 dots plotted on it.
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rob owns 6 green t - shirts and 15 t - shirts in other colors. if rob r…
$\frac{2}{7}$
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375 people were at the airport one friday night, and 78 of them were go…
$\frac{26}{125}$
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you pick a card at random. what is p(greater than 6)? write your answer…
50.0%
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a florist used several different types of flowers to make a bouquet. li…
$\frac{4}{11}$
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an amusement park has 2 drink stands and 18 other attractions. what is …
$\frac{1}{10}$
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you pick a card at random. what is p(odd)? write your answer as a fract…
$\frac{1}{3}$
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on the last day of a shakespeare class, an english teacher asked her st…
$\frac{1}{3}$
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you roll a 6 - sided die. what is p(greater than 3)? write your answer …
50%
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you spin the spinner once. what is p(less than 7)? write your answer as…
$\frac{1}{3}$
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15. short constructed response prompt: how des milo uses both root mean…
Milo uses root meanings to get a starting point for a word's meaning and context clues to refine and confirm that meaning. He might recognize a root like "scrib -" (related to wri…
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a teacher recorded the primary languages that the children in his class…
$\frac{8}{16}$
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a city held a bike parade. 10 bikers rode recumbent bicycles, and 82 bi…
$\frac{5}{46}$
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lacey went birdwatching and saw 8 ducks, as well as 46 other birds. wha…
$\frac{4}{27}$
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why did the liberal opposition criticize the new deal? check all of the…
They thought that the New Deal did not provide enough economic opportunity. They thought that the New Deal did not provide enough redistribution of wealth. They thought that the N…
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according to the document, how long was the stamp act meant to last? ac…
A. Until the colonies had fully paid off the war debt
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kenneths book collection contains 10 books, including 5 biographies. if…
$\frac{1}{2}$
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annies pie shop has 12 pies for sale, including 4 chocolate cream pies.…
$\frac{1}{3}$
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10. a sample of college freshmen is surveyed and asked the following qu…
B. 3,500
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10. a sample of college freshmen is surveyed and asked the following qu…
B. 3,500
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q: what does supervised transfer mean? the shift supervisor is there is…
The shift supervisor is there is watch you transfer the resident
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8. in 2025, a report was published about the number of bald eagle nests…
E. None of the above statements are correct.
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a university surveys a random sample of 200 students. each student is a…
Because students could select multiple devices when completing the survey, a bar graph, as opposed to a pie chart, would be a more appropriate way to display the data.
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a sample of employees at a large company is asked the following questio…
None of the above statements are correct.
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a sample of university employees are surveyed about their primary metho…
The slice for "Walking" would be about 5% of the pie chart, making it the smallest slice.
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4. the time in minutes taken by each adult in a sample to solve a probl…
D. 51.1%
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10. a sample of college freshmen is surveyed and asked the following qu…
B. 3,500
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9. return to the graphical display presented in question 8. which one o…
E. None of the above statements are correct.
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8. in 2025, a report was published about the number of bald eagle nests…
outliers
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7. a university surveys a random sample of 200 students. each student i…
A. Because students could select multiple devices when completing the survey, a bar graph, as opposed to a pie chart, would be a more appropriate way to display the data.
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6. a sample of employees at a large company is asked the following ques…
E. None of the above statements are correct.
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6. a sample of employees at a large company is asked the following ques…
E. None of the above statements are correct.
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a tennis ball was thrown in the air. the height of the ball from the gr…
B. There is no linear relationship between time and height.
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5. a sample of university employees are surveyed about their primary me…
B. The slice for “Walking” would be about 5% of the pie chart, making it the smallest slice.