Which of the Following Is a 98% Confidence Interval for the Population

question 6

Multiple Choice

Which of the following is a 98% confidence interval for the population variance when the sample variance is 20 for a sample of 10 items from a normal population?

• A) [8.308, 86.207]
• B) [7.476, 77.512]
• C) [8.617, 78.125]
• D) [7.755, 70.313]

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Definitions:

Sherman Act

A landmark federal statute in the field of United States antitrust law passed in 1890 to outlaw monopolistic business practices.

Demand Elasticity

An indicator that reflects the degree of change in demand for a good due to price adjustments.

Optimal Strategy

The best course of action to achieve the highest payoff or benefit, given a particular set of conditions.

Perfectly Price Discriminate

A pricing strategy where a seller charges the maximum possible price each individual consumer is willing to pay for each unit, thereby extracting all consumer surplus.