A 90% Confidence Interval Around the Variance Was Calculated

question 23

Short Answer

A 90% confidence interval around the variance was calculated. For n = 27, the confidence interval was 35.0-88.4. Give the variance of the sample.

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Definitions:

Prices

The sum of money anticipated, needed, or provided as compensation for something.

New Information

Fresh data or insights that have not been previously available or considered, commonly impacting financial markets and investment decisions.

Market Efficiency

The degree to which stock prices reflect all available, relevant information, making it impossible to consistently achieve higher returns.

Oil-company Stocks

Shares that represent ownership in companies involved in the exploration, extraction, refining, and selling of oil and oil products.