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Type of Significance Test: Energy Drinks

APSTAT-FKIRG1

A study reported that the proportion of college students who experience heart palpitations after drinking energy drinks is $0.18$. The dean of a university believes that the proportion of students at his university who experience heart palpitations after drinking an energy drink is greater than $0.18$.

If a large random sample is used, which of the following is the most appropriate test to investigate the dean’s belief?

A

A z-test for a proportion.

B

A z-test for a difference between two proportions.

C

A chi-square test for homogeneity.

D

A t-test for a mean.

E

A matched-pairs t-test.