You Wish to Test the Claim That μ ≠ 14 $\alpha$

question 44

Multiple Choice

You wish to test the claim that μ ≠ 14 at a level of significance of α $\alpha$ = 0.05 and are given sample statistics n = 35, $\overline { \mathrm { x } } = 13.1$ Assume the population standard deviation is 2.7. Compute the value of the standardized test statistic. Round your answer to two decimal places.

• A)-1.97
• B)-3.12
• C)-2.86
• D)-1.83

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Definitions:

Variability

A statistical measure that expresses the degree of dispersion or spread in a data set, indicative of how much individuals within the set differ.

Symmetry

A property of shapes or designs where one half is a mirror image of the other half.

Bimodal

Describing a distribution that has two different modes or peaks in its frequency of occurrence.

Frequency

The number of times an event occurs within a given data set.