Question
A researcher wishes to test the claim that the average cost of tuition and fees at a four- year public college is greater than
A researcher wishes to test the claim that the average cost of tuition and fees at a four- year public college is greater than $5800. She selects a random sample of 36 students and finds the mean to be $6000. The population standard deviation is $660, Is there evidene to support the cloim at a=0.05?
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Statistical Reasoning for Everyday Life
Authors: Jeff Bennett, Bill Briggs, Mario F. Triola
4th edition
978-0321817747, 321817745, 978-0321890139, 321890132, 321817621, 978-0321817624
