Use the Following Information to Answer the Question

question 43

Multiple Choice

Use the following information to answer the question. Math self- efficacy can be defined as one's belief in his or her own ability to perform mathematical tasks. A college math professor wishes to find out if her female students' math self- efficacy matches reality. To do this she gives a math quiz to the female students then asks them to rate their level of confidence in how well they did on the quiz. She plans to test whether those who had little confidence that they did well on the quiz actually performed worse than those who had a high level of confidence that they did well on the quiz. Shown below is the approximate sampling distribution of the difference in mean quiz scores. The table below shows the summary statistics for the two groups. Assume that all conditions for a randomization test have been satisfied.

-Carry out the randomization test. What is the professor's conclusion? Are differences in mean quiz scores due to chance?

• A)Fail to reject H0. The professor should conclude that there is no difference in mean quiz scores for those with high confidence and those with low confidence. The student's self- efficacy does not match reality.
• B)Reject H0. The professor should conclude that there is no difference in mean quiz scores for those with high confidence and those with low confidence. The student's self- efficacy does not match reality.
• C)Fail to reject H0. The professor should conclude that typical quiz scores for those with high confidence is less than that of those with low confidence. The student's self- efficacy matches reality.
• D)Reject H0. The professor should conclude that typical quiz scores for those with high confidence is greater than that of those with low confidence. The student's self- efficacy matches reality.

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Definitions:

Discount Rate

The interest rate used to discount future cash flows to their present value, often used in capital budgeting and investment valuation.

Earnings Before Interest And Taxes (EBIT)

A measure of a firm's profit that includes all incomes and expenses except interest and income tax expenses.

Sales Volume

refers to the number of units sold within a reporting period, used as a measure of business performance and market demand.

Variable Costs

Expenses that change in proportion to the production output or sales of a company, such as raw materials and direct labor costs.