A student scored 70 points on a test where the mean score was 85 and the standard deviation was 7. Find their z score

asked Nov 5, 2023 62.8k views

1 vote

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6 votes

formula:
z= 70-85/7
z= 70-85= -15/7= -2.142857143
rounded answer= -2.14

Simin answered Nov 12, 2023

by Simin

4.5k points

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