To Estimate with 95% Confidence the Average Number of Kilometres

question 172

Multiple Choice

To estimate with 95% confidence the average number of kilometres that students living off-campus commute to classes every day, a random sample of 20 students was taken and produced a mean equal to 5.2 km and a standard deviation of 3.05 km. Under these circumstances, what is the appropriate critical value?

• A) 1.7291
• B) 1.96
• C) 2.086
• D) 2.093

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Definitions:

Par Value

The nominal or face value of a security or stock as stated by the issuing company, which might not reflect its market value.

Book Value

The value of an asset according to its balance sheet account balance, which is the cost of the asset minus any depreciation, amortization, or impairment costs made against the asset.

Book Value

The net value of a company's assets minus its liabilities, often used as an estimate of the company's worth.

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