A Study Was Conducted to Determine the Effectiveness of Interval

question 44

Multiple Choice

A study was conducted to determine the effectiveness of interval training (alternating between walking and running at a fast pace) on running speed. A sample of n = 9 runners improved their speed on 5K runs after the training by an average of M_D = 1.58 minutes with s_D = .61. If we want to construct a 90% confidence interval for the population mean difference, what t-values should be used.

• A) ±2.365
• B) ±2.306
• C) ±1.895
• D) ±1.860

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Definitions:

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A risk management and control strategy that divides tasks among different people to reduce the risk of fraud or error.

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Independent Internal Verification

The audit process within an organization where transactions and processes are reviewed by a person not involved in their execution, aimed at enhancing accuracy and reliability.

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