If x̄ = -1 and s² = 4, 18.41% of values are below what raw score? A) 2.8 B) -1.9 C) -2.8 D) 1.9

Name: If x̄ = -1 and s 2 = 4, 18.41% of values are below what raw score? A) 2.8 B) -1.9 C) -2.8 D) 1.9
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Question

Quizplus · Accepted Answer

The z-score corresponding to 18.41% is approximately -0.91. Using the formula x = x̄ + z*s, where s is the standard deviation (s = √4 = 2), we get x = -1 + (-0.91)*2 = -2.82, which is closest to -2.8.

If X̄ = -1 and S2 = 4, 18

If X̄ = -1 and S² = 4, 18