1

Alice's Test Andy's Test

Alice's Score: 92 Andy's Score: 91

Class Average: 87 Class Average: 85

Standard Deviation: 2 Standard Deviation: 2

Convert Andy's score into a score on Alice's test:

92

93

91

90

2

Alice's Test Andy's Test

Alice's Score: 92 Andy's Score: 91

Class Average: 87 Class Average: 85

Standard Deviation: 2 Standard Deviation: 2

Convert Alice's score into a score on Andy's test:

Group of answer choices

92

93

91

90

3

Alice's Test Andy's Test

Alice's Score: 92 Andy's Score: 91

Class Average: 87 Class Average: 85

Standard Deviation: 2 Standard Deviation: 2

According to their z scores, who's score was more impressive?

Group of answer choices

They were equally impressive

Andy

Alice

z scores do not provide this information

4

Alice's Test Andy's Test

Alice's Score: 92 Andy's Score: 91

Class Average: 87 Class Average: 85

Standard Deviation: 2 Standard Deviation: 2

Andy's z score =

Group of answer choices

+4.00

+1.00

+3.00

+2.50

5

Alice's Test Andy's Test

Alice's Score: 92 Andy's Score: 91

Class Average: 87 Class Average: 85

Standard Deviation: 2 Standard Deviation: 2

Alice's z score =

Group of answer choices

-2.50

+4.00

+2.50

+1.00