The average score on a mathematics test was 64%.A student who scored 80% had a z-score of 2.Find the standard deviation.
A)16%
B)8%
C)3%
D)20%
E)1%

Name: The average score on a mathematics test was 64%.A student who scored 80% had a z-score of 2.Find the standard deviation. A)16% B)8% C)3% D)20% E)1%
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The Answer of The average score on a mathematics test was 64%.A student who scored 80% had a z-score of 2.Find the standard deviation.
A)16%
B)8%
C)3%
D)20%
E)1%

The Average Score on a Mathematics Test Was 64