A Group of 200 Students Takes the Kaplan Course in Hopes

question 125

Multiple Choice

A group of 200 students takes the Kaplan course in hopes that it will improve their SAT scores above the national mean of 500 on the math section.The population standard deviation of the SAT is known to be 100.Use an alpha level of .05 when answering the following questions.What conclusions can be made,based on this test statistic?

• A)The score of the students who took the Kaplan course was better than the national mean only because of sampling error.
• B)The Kaplan course helped the students score statistically significantly higher than the national mean.
• C)The Kaplan course helped the students score statistically significantly lower than the national mean.
• D)none of these conclusions can be made

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Definitions:

Accounts Receivable

Money owed to a company by its customers for goods or services that have been delivered but not yet paid for.

Direct Write-off

A method for recognizing bad debt expense when a specific account receivable is determined to be uncollectible, directly reducing accounts receivable and recognizing the expense.

Bad Debt Expense

An accounting expense recognized for receivables that are no longer considered collectible, impacting both the balance sheet and income statement.

Uncollectible

Refers to debt or receivables that cannot be recovered or are very unlikely to be paid by debtors.