Mathematics, 25.04.2021 18:40 TylerU2770

The average first year teacher salary in a certain state is known to be $52,000 with a standard deviation of $1500. A researcher tests this claim by averaging the salaries of 25 first year teachers and finding their average salary to be $52,525. Is there significant evidence to suggest that the claim is wrong at the 5% significance level?

The average first year teacher salary in a certain state is known to be $52,000 with a standard dev

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