Exhibit 13

question 23

Multiple Choice

Exhibit 13.6 A researcher wants to understand how annual mortgage payment (in dollars) depends on income level and zonal location using a two-way ANOVA without interaction.The data and an incomplete ANOVA table are shown below. Refer to Exhibit 13.6.At the 5% significance level,the conclusion for the hypothesis test about factor A is:

• A)Do not reject the null hypothesis,the average mortgage payments differ by income level
• B)Do not reject the null hypothesis,cannot conclude the average mortgage payments differ by income level
• C)Reject the null hypothesis,the average mortgage payments differ by income level
• D)Reject the null hypothesis,cannot conclude the average mortgage payments differ by income level

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Contract

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Promissory Estoppel

A legal principle that prohibits a party from withdrawing a promise made to a second party if the latter has reasonably relied on that promise to their detriment.

Statute of Frauds

A legal concept that requires certain types of contracts to be in writing and signed by the party to be charged, in order to be legally enforceable.