A Rank Correlation Coefficient Is to Be Calculated for a Collection

question 4

Multiple Choice

A rank correlation coefficient is to be calculated for a collection of paired data. The values lie between -10 and 10. Which of the following could affect the value of the rank correlation coefficient? A: Multiplying every value of one variable by 3
B: Interchanging the two variables
C: Adding 2 to each value of one variable
D: Replacing every value of one variable by its absolute value

• A)A
• B)C
• C)D
• D)B

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Definitions:

Accrued Interest

The interest that has accumulated on a debt over a period of time but has not yet been paid.

Promissory Note

A financial instrument containing a written promise by one party to pay another party a definite sum of money either on demand or at a specified future date.

Net Credit Sales

The total value of sales made on credit minus any returns or allowances.

Allowance for Doubtful Accounts

A balance sheet account representing the estimated percentage of accounts receivable that may not be collected.