A Few Years Ago, Pepsi Invited Consumers to Take the "Pepsi

A few years ago, Pepsi invited consumers to take the "Pepsi Challenge." Consumers were asked
To decide which of two sodas, Coke or Pepsi, they preferred in a blind taste test.Pepsi was
Interesting in determining what factors played a role in people's taste preferences.One of the
Factors studied was the gender of the consumer.Data on the percentage of men and women
Depicting preference for Pepsi were collected.Which of the following tests will you use to find
Out if there is any difference in preference between the different gender groups?

A) Kruskal-Wallis rank Test.
B) Paired t test.
C) Z test for difference in proportions.
D) Wilcoxon rank sum test.

Correct Answer:

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