18
QuizMultiple Choice

Unit Test — Unit test

Question 18 • (AG Q4) Math 8: 25-26 (JTurner)

Siloni computed in a two-way table the relative frequencies of boys’ and girls’ participation in school sports at her school.School Sports Participation by Gender FallSpringBoys37%57%Girls63%43%Which statement best describes the relationship between the two variables?

Answer
A
There is an association because the relative frequencies by column are different.
B
There is an association because the relative frequencies by row are different.
C
There is no association because the relative frequencies by column are different.
D
There is no association because the relative frequencies by row are different.

Explanation

Compare the gender relative frequencies within each season: in Fall, 37% are boys and 63% are girls; in Spring, 57% are boys and 43% are girls. These column relative frequencies differ, so gender and season of participation are associated. The best statement is that there is an association because the relative frequencies by column are different.

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