Listed Below Are the Amounts of Time (In Months)that the Employees

question 27

Multiple Choice

Listed below are the amounts of time (in months) that the employees of a restaurant have been working at the restaurant. Find the mean for the given sample data. Round your
Answer to one more decimal place than the original data values. $$\begin{array} { l l l l l l l l l l l l l l } 1 & 5 & 6 & 8 & 11 & 14 & 17 & 46 & 61 & 90 & 99 & 126 & 143 & 167\end{array}$$

• A) 31.5 months
• B) 61.1 months
• C) 56.7 months
• D) 52.9 months

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Definitions:

Two-tailed Hypothesis Test

A statistical test in which the critical area of a distribution is two-sided and tests whether a sample is greater than or less than a certain range of values.

Test Statistic

A calculated value from sample data used to decide whether to reject the null hypothesis in hypothesis testing.

P-value

The P-value is a statistical parameter that helps to determine the significance of the results from a hypothesis test, indicating the probability of observing the results if the null hypothesis is true.

P-value

A statistic that measures the probability of obtaining an observed result, or more extreme, under the assumption that the null hypothesis is true.