Conduct a Full Hypothesis Test and Determine If the Given

question 30

Multiple Choice

Conduct a full hypothesis test and determine if the given claim is supported or not supported at the 0.05 significance level. Round all amounts and standard scores to two decimal places.
-A researcher wants to check the claim that convicted burglars spend an average of 15.7 months in jail. She takes a random sample of 35 such cases from court files and finds that the mean time in jail is 13.7 months. Test whether the claim that the average jail time for convicted burglars is different from 15.7 months is supported or not supported. Assume that the population standard deviation is 7 months.

• A)supported
• B)not supported

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Definitions:

McGregor

Refers to Douglas McGregor, an American social psychologist who proposed the Theory X and Theory Y concepts in management and motivation.

Understanding

The ability to grasp the meaning, significance, or nature of something, including perceptions and empathy.

McGregor

Refers to Douglas McGregor, a social psychologist who proposed Theory X and Theory Y describing two contrasting models of workforce motivation and management.

Effective Work Team

A group of individuals who collaboratively work towards a common goal, maximizing strengths and compensating for weaknesses through concerted effort and coordination.