A Study Was Conducted to Determine the Effectiveness of Interval

question 7

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. The values for a 95% confidence interval for μ_D would be

• A) .20 to 3.18
• B) .17 to 2.99
• C) 1.13 to 2.04
• D) .14 to 3.02

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Definitions:

Cash Payments

Outflows of cash by a business or individual, often documented in financial transactions for goods, services, or debts.

Insurers

Companies that provide insurance, which is a contract (policy) in which an individual or entity receives financial protection or reimbursement against losses.

Investing Activities

These activities generate cash inflows and outflows related to acquiring or disposing of noncurrent assets such as property, plant, and equipment, long-term investments, and loans to another entity.

Cash Outflow

Cash outflow refers to the movement of money out of a business, mainly through expenses, purchases, or investments, over a period.