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AP Statistics - Final Exam Study Guide (V.2) With Questions And 100% ALL SURE ANSWERS
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JACKLINEAP Statistics - Final Exam Study Guide (V.2) With Questions And 100% ALL
SURE ANSWERS
Practice questions for this set
,8/22/24, 11:45 AM
29. A random sample of 1,018 city residents were asked to rate their level of support for a
proposal being considered by the city council. The table shows the responses by level of
support.
Based on the responses, which of the following is a 95 percent confidence interval for the
proportion of all city residents who would respond very supportive or somewhat supportive of
2 the proposal?
(A) 0.33 +- 0.029
(B) 0.38 +- 0.030
(C) 0.71 +- 0.058
(D) 0.71 +- 0.031
(E) 0.71 +- 0.028
28. Researchers conducted a study to investigate the effects of soft drink consumption on fat
stored in muscle tissue. From a sample of 80 adult volunteers, 40 were randomly assigned to
consume one liter of a soft drink each day. The remaining 40 were asked to drink one liter of
water each day and not to consume any soft drinks. At the end of six months, the amount of fat
stored in each person's muscle tissue was recorded. The people in the group who drank the soft
drink had, on average, a higher percentage of fat stored in the tissue than the people who drank
only water. Which of the following is the most appropriate conclusion?
(A) There is evidence that consuming soft drinks causes more fat storage in muscle tissue than
drinking only water, and the conclusion can be generalized to all adults.
3
(B) There is evidence that consuming soft drinks causes more fat storage in muscle tissue than
drinking only water, and the conclusion can be generalized to all people who consume soft
drinks.
(C) There is evidence that consuming soft drinks causes more fat storage in muscle tissue than
drinking only water, and the conclusion can be generalized to adults similar to those in the study.
(D) Although cause-and-effect cannot be established, there is an association between
consuming soft drinks and fat storage in muscle tissue for the population of all adults.
(E) Although cause-and-effect cannot be established, there is an association between
consuming soft drinks and fat storage in muscle tissue for the population of all adults who
consume soft drinks.
, 8/22/24, 11:45 AM
22. As part of a study on facility needs, the administrators of a university wanted to estimate the
percent of students who use the exercise facilities on a regular basis. From the 34,000 students
who attend the university, a random sample of 370 male students and 400 female students was
selected. Of the 770 students selected, 493 students indicated that they use the exercise
facilities on a regular basis. What are the population and the sample of the study?
(A) The population is the 770 students who were selected, and the sample is the 493 students
who indicated that they use the exercise facilities on a regular basis.
4
(B) The population is the 770 students who were selected, and the sample is whether each
student in the survey uses the exercise facility on a regular basis.
(C) The population is the 34,000 students who attend the university, and the sample is whether
each student in the survey is male or female.
(D) The population is the 34,000 students who attend the university, and the sample is the 770
students who were selected.
(E) The population is the 34,000 students who attend the university, and the sample is the 493
students who indicated that they use the exercise facilities on a regular basis.
Don't know?
Terms in this set (40)
1. The histogram summarizes the responses of 100 D) $5
people when asked,"What was the price of the last
meal you purchased?"
Based on the histogram, which of the following
could be the interquartile range of the prices?
A) $40
B) $21
C) $10
D) $5
E) $3
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