ttiger6812 ttiger6812
  • 16-11-2022
  • Mathematics
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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 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 a significance level of 0.05?

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