You want to compare a sample of n = 25 to a population where $\sigma$= 5 and $\mu$= 12. If x̄ = 15, what is the value of the test statistic?
A) 3
B) -3
C) 15
D) -15

Name: You want to compare a sample of n = 25 to a population where $\sigma$= 5 and $\mu$= 12. If x̄ = 15, what is the value of the test statistic? A) 3 B) -3 C) 15 D) -15
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Question

Quizplus · Accepted Answer

The test statistic is calculated using the formula: (x̄ - μ) / (σ/√n). Substituting the given values: (15 - 12) / (5/√25) = 3.

You Want to Compare a Sample of N = 25 σ\sigmaσ

You Want to Compare a Sample of N = 25 $\sigma$