AnswersTN-Mathematical Reasoning for Decision Making SupplementComparing Two Categorical VariablesQuestion 4
4
QuizMultiple Choice
Comparing Two Categorical Variables
Question 4 • TN-Mathematical Reasoning for Decision Making (Supplement)
Does eating a mint affect a person’s taste buds? To answer this question, students were randomly placed into two groups. One group had to eat a mint, and the other did not. Then all the students were given a cup that had one of two brands of ice tea. Students were asked to guess which brand of ice tea they had. The results are displayed below.
Answer
A
Students who ate a mint were more accurate guessers.B
Students who did not eat a mint were more accurate guessers.C
Students who did not eat a mint made more incorrect guesses.D
Eating a mint did not have an effect on a student’s ability to guess the ice tea.