A researcher wishes to test the claim that the average cost of tuition and fees at a four-year public college is greater
Posted: Tue Nov 23, 2021 9:36 am
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 5659. Is there evidence to support the claim at a = 0.05? Use the P-value method. a) P-value b) Decision