Three sorority sisters took General Psychology, but they were enrolled in different sections that were taught by different instructors who gave different tests. After the first test, they gathered at the sorority house with their own scores and the class statistics.

Sorority sister	Exam score	Class average	Class standard deviation
Krista	16	20	10
Minna	96	95	11
Phoebe	12	10	3

Question 29 (5 points)

What was Krista's z score?

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Question 30 (5 points)

What was Minna's z-score?

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Question 31 (5 points)

What was Phoebe's z-score?

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Question 32 (3 points)

Based on the z-scores, which sister did the best on the test? ________________

Question 32 options:

a)

Minna

b)

Phoebe

c)

Krista

Question 33 (4 points)

What percent of people scored lower than Krista?

Question 33 options:

Question 34 (4 points)

What percent of people scored lower than Minna?

Question 34 options:

Question 35 (4 points)

What percent of people scored lower than Phoebe?