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20 November, 09:40

Given a mean of 24.5 and a standard deviation of 1.7 what is the z score of the value 24 rounded to the nearest tenth?

A.-0.9

B.-0.3

C. 0.3

D. 0.9

+5
Answers (1)
  1. 20 November, 12:13
    0
    The correct answer is B) - 0.3

    Z-scores are found using the formula

    z = (X-μ) / σ

    For this problem, we have

    z = (24-24.5) / 1.7 = - 0.5/1.7 = - 0.3
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