If a Test That Has Reliability R Is Lengthened by a Factor

question 4

Multiple Choice

If a test that has reliability r is lengthened by a factor , the reliability R of the new test is given by ​ ​
​If the reliability is r = 0.6, the equation becomes . When the test length is unchanged, the reliability r = R(1) = 0.6. If the length of the test is doubled, the reliability r = R(2) . What percent improvement is there in the reliability when the test length is doubled?
​

• A)20.0%
• B)25.0%
• C)80.0%
• D)75.0%
• E)15.0%

Analyze the effect of operational changes on a firm’s financial cycle.

Understand the relationship between sales, cost of goods sold (COGS), and inventory turnover.

Calculate and interpret the effective annual interest rate on financial arrangements.

Understand the significance of accounts receivable turnover as a measure of liquidity.

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Definitions:

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