Identify the Null Hypothesis, Alternative Hypothesis, Test Statistic, P-Value, Conclusion $18.7$

question 37

Essay

Identify the null hypothesis, alternative hypothesis, test statistic, P-value, conclusion about the null hypothesis, and final conclusion that addresses the original claim
-A researcher wants to test the claim that convicted burglars spend an average of $18.7$ months in jail. She takes a random sample of 11 such cases from court files and finds that $\bar { x }$ $= 21.3$ months and $\mathrm { s } = 7.7$ months. Test the claim that $\mu = 18.7$ months at the $0.05$ significance level. Use the traditional method of testing hypotheses.

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Definitions:

Equivalent Unit

represents a measure used in process costing, converting work-in-process into the number of finished units, facilitating cost allocation.

Weighted-Average Method

An inventory costing method that calculates the cost of goods sold based on the average cost of all items in inventory, taking into account the quantity of each item.

Process Costing System

A cost accounting method used for homogeneous products, assigning costs based on departments or processes the products go through.

Processing Department

A specific area or segment of a manufacturing facility where a distinct process or series of activities is carried out.