Wendy Has Determined That the Correlation Between Her Reading Screening

question 89

Multiple Choice

Wendy has determined that the correlation between her reading screening test and her students' reading grades is .30.What percent of the variation in reading scores is accounted for by knowing the students' scores on the
Screening test?

• A)9
• B)30
• C)60
• D)90

---

Definitions:

Profit Margin

A financial metric that measures the percentage of revenue that exceeds the cost of goods sold, indicating how much profit a company makes on sales.

Depreciation Expense

The allocation of the cost of an asset over its useful life.

After-tax Salvage Value

The net value of an asset after it has been sold and all related taxes have been paid.

Marginal Tax Rate

The rate at which the next dollar of taxable income is taxed, indicating the impact of the last dollar earned on one's tax obligations.