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Ap Statistics-Adams Chapter 10 Review With Answers - Woodstown-Pilesgrove Regional School District Page 3

Chapter 10 Review

Name: ____________________________________

AP Statistics-Adams

Period: ______ Date: _______________________

Matching

9. Match the survey designs in parts a–c with the most appropriate chi-square test: goodness of

fit, homogeneity, or independence.

a. You are told that the number of cracked M&M’s depends on color. To check this claim, you

randomly select 100 M&M’s and sort by color and whether the M&M is cracked or

uncracked.

a. chi-square test of independence

b. You are told that the distribution of M&M’s colors is as follows: 13% red, 16% green,

14% yellow, 20% orange, 24% blue and 13% brown. To check this claim, you randomly

select a sample of M&M’s and count the number of M&M’s of each color.

b. chi-square test of goodness of fit

c. You are told that the number of cracked M&M’s depends on color. To check this claim, you

randomly select 100 M&M’s of each color and count the number of cracked and uncracked

M&M’s of each color.

c. chi-square test of homogeneity

Ap Statistics-Adams Chapter 10 Review With Answers - Woodstown-Pilesgrove Regional School District Page 3