Question: Hypnotesis testing A professor claims that his final test score average is at least 72 points. A survey of 25 scores from his class results

Hypnotesis testing

A professor claims that his final test score average is at least 72 points. A survey of 25 scores from his class results a mean of 69 and a standard deviation 9. Based on survey results what is your conclusion at 5% significance level.

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