AP Statistics Comparing Displays

AP Statistics Comparing Displays

12th Grade

15 Qs

quiz-placeholder

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AP Statistics Comparing Displays

AP Statistics Comparing Displays

Assessment

Quiz

Mathematics

12th Grade

Practice Problem

Hard

CCSS
8.EE.C.8C

Standards-aligned

Created by

Anthony Clark

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15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

In a certain school, students can choose whether to eat in the school’s cafeteria. A reporter working for the school’s newspaper polled students on their reactions to changes in the menu at the cafeteria. For each student leaving the cafeteria in one 20-minute time period, the reporter used a die to determine whether to stop the student and ask how he or she felt about the new menu. In the reporter’s article it was stated that a random sample of the students showed that 23% of the school’s student population was happy with the new menu. Which of the following statements is true?

Because each student leaving the cafeteria was randomly selected and could choose to answer or not, this is a random sample of the student population, and the 23% is an accurate measurement of the school population’s view of the new menu.

Because students self-selected whether to eat in the cafeteria, the sampling method might be biased and the sample might not be representative of all students in the school.

The survey would have been more effective if the reporter had collected the data in one 10-minute time period rather than in one 20-minute time period.

The survey would have been more effective if students who cared about the food could have called the reporter to tell how they felt about the new menu, so that only students with opinions on the subject would have been surveyed.

Because no treatment was imposed on the students eating in the cafeteria, one cannot make any conclusions about the new menu.

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

According to the 1.5 x IQR rule, how many outliers are there in the data set 72, 110, 114, 115, 118, 123, 144, 156?

None

One

Two

Three

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

A person travels by car.  They record their miles driven in a data table.  Calculate the linear regression equation of this data.

y = 61.93x - 1.79

y = -1.79x + 61.93

y = 0.016x + 0.03

y = 0.03x + 0.016

Tags

CCSS.8.EE.C.8C

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

How many students scored 40% or below on the test?

21

22

20

15

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

What is the Interquartile Range?

28 cm

12 cm

33 cm

5 cm

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

A

B

C

D

E

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

A

B

C

D

E

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