Data Set 5-4: 2, 4, 6, 8
-For Data Set 5-4, a raw score of 2 has a z score of
A) 1.34
B) -0.67
C) -1.34
D) -1.16.

Name: Data Set 5-4: 2, 4, 6, 8 -For Data Set 5-4, a raw score of 2 has a z score of A) 1.34 B) -0.67 C) -1.34 D) -1.16.
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Question

Quizplus · Accepted Answer

The z score is calculated using the formula z = (X - μ) / σ, where X is the raw score, μ is the mean, and σ is the standard deviation. For this data set, the mean (μ) is 5 and the standard deviation (σ) is 2.24. Plugging in the values: z = (2 - 5) / 2.24 = -1.34.