Two-Way Tables

Question 1

A group of 65 baseball players were surveyed about which hand they favor for batting. The data from the survey are shown in the Venn diagram.

Revolt · Accepted Answer

⇒ 7: 86565; : 31; : 28; : 13; : 65

Question 2

A summer camp has 32 campers. A total of 22 of them swim, 20 play softball, and 5 do not swim or play softball. Which values complete the table?

Revolt · Accepted Answer

B: a = 15, b = 7, c = 5, d = 10, e = 12

Question 3

Which statement is true about the marginal frequencies in this table?

Revolt · Accepted Answer

D: 191 students play sports and ninety-seven 10th graders were surveyed.

Question 4

Which statement is true about the joint frequencies in this table?

Revolt · Accepted Answer

B: Fourteen 11th graders prefer math and eight 10th graders prefer science.

Question 5

Which statements are correct? Check all that apply.

Revolt · Accepted Answer

B: The marginal relative frequency for action movies is 44%.; C: The joint relative frequency for 8th graders who like comedy movies is 16%.; E: Half of the 7th graders prefer action movies.

Question 6

Students from School A and School B were asked whether they watch TV or use the Internet after finishing their homework. The Venn diagram and the two-way table show the results from the two surveys. Which statement is true?

Revolt · Accepted Answer

C: More students do neither activity at B than at A.

Question 7

Question 7

Revolt · Accepted Answer

31

Question 8

Question 8

Revolt · Accepted Answer

28

Question 9

Question 9

Revolt · Accepted Answer

13

Question 10

Question 10

Revolt · Accepted Answer

65

Two-Way Tables Answers

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