Exhibit 9-1
N = 36 = 24 $\mu$ 20
H_a $\mu$

question 92

Multiple Choice

Exhibit 9-1
n = 36 = 24.6
S = 12
H₀: $\mu$ 20
H_a: $\mu$ > 20
-Refer to Exhibit 9-1. If the test is done at 95% confidence, the null hypothesis should

• A)not be rejected
• B)be rejected
• C)Not enough information is given to answer this question.
• D)None of these alternatives is correct.

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Definitions:

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Standard deviation is a statistical measure that indicates the dispersion or variability of a set of data points or values around the mean, used to quantify the amount of variation in a dataset.

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A mathematical operation that finds the number which, when multiplied by itself, gives the original number.