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A researcher wishes to test the claim that the average cost of tuition and fees at a four-year public college is greater than $5700. She
A researcher wishes to test the claim that the average cost of tuition and fees at a four-year public college is greater than $5700. She selects a random sample of 36 four-year public colleges and finds the mean to be $5950. The population standard deviation is $659. Is there evidence to support the claim at 0.05? Use the P-value method. Follow the steps in Chapter 9 for Hypothesis Testing. Upload your solution. Note that your answers are for final review
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