Two-Way Tables

Question 1

Which statements are correct? Check all that apply.

Revolt · Accepted Answer

A: 5 students study both French and Spanish.; C: 2 students study neither French nor Spanish.; D: 30 students study French, but not Spanish.

Question 2

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. Determine the value for each variable in the two-way table. a = b = c = d = e =

Revolt · Accepted Answer

Part 1: 7; Part 2: 31; Part 3: 28; Part 4: 13; Part 5: 65

Question 3

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 4

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 5

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 6

6/508/50✔ 14/506/14

Revolt · Accepted Answer

C: 14/50

Question 7

Find the following relative frequencies to the nearest tenth of a percent. Republican residents of County 1: ⇒ 10.1% Democratic residents of County 1: % Total Republican residents: % Total Democratic residents: %

Revolt · Accepted Answer

⇒ 10.1: 45/445; Part 2: 16.5; Part 3: 58.9; Part 4: 41.1

Question 8

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 9

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 10

Question 10

Revolt · Accepted Answer

31

Two-Way Tables Answers

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