If the mean of a set of data is 26.00, and 33.50 has a z-score of 0.75, then the standard deviation must be:
A) 10.00
B) 100.00
C) 5.00
D) 50.00

Name: If the mean of a set of data is 26.00, and 33.50 has a z-score of 0.75, then the standard deviation must be: A) 10.00 B) 100.00 C) 5.00 D) 50.00
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Question

Quizplus · Accepted Answer

The z-score is calculated as (x - mean) / standard deviation. If the z-score is 0.75 and the mean is 26.00, then the standard deviation must be (33.50 - 26.00) / 0.75 = 10.00.

If the Mean of a Set of Data Is 26