The Pearson Correlation Between X₁ and Y Is R =

question 74

Multiple Choice

The Pearson correlation between X₁ and Y is r = 0.40 and SS_Y = 100.When a second variable,X₂,is added to the regression equation,we obtain R² = 0.25.How much additional variability is contributed by adding the second variable as a predictor compared to using X₁ alone?​

• A)​9 points
• B)​15 points
• C)​25 points
• D)​40 points

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Definitions:

Accounts Receivable

Money owed to a business by its customers for goods or services delivered but not yet paid for, often considered as an asset on the balance sheet.

Days' Sales Uncollected

A financial metric that measures the average number of days it takes for a company to collect payments from its credit sales.

Cash Receipts

The collection of money, including coins, notes, checks, and electronic transfers, received by a business during a given period.

Open Mail

The process or act of receiving and processing mail, not specific to financial or accounting terminology.