The Department of Education Would Like to Test the Hypothesis

question 140

Multiple Choice

The Department of Education would like to test the hypothesis that the average debt load of graduating students with a Bachelor's degree is equal to $17,000. A random sample of 34 students had an average debt load of $18,200. It is believed that the population standard deviation for student debt load is $4,200. The Department of Education would like to set α = 0.05. The test statistic for this hypothesis test would be ______.

• A)t x = 1.89
• B)z x = 2.23
• C)z x = 1.67
• D)t x = - 2.06

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Definitions:

Knowledgeable

Possessing or showing a great deal of information, awareness, or understanding about specific subjects or topics.

Actor-Observer Effect

A cognitive bias in which people tend to attribute their own actions to situational factors, while attributing others' actions to their character or disposition.

Traffic

The movement of vehicles, ships, persons, or animals through an area, or the volume of this movement in a specified pathway or domain, such as internet traffic.

Cognitively Draining Task

Tasks that require a high level of mental effort and concentration, often leading to mental exhaustion.