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Suppose that a company claims that their mean weekly sales are $12,250. A random sample 35 weeks yields a sample mean of with a sample standard deviation of s=$1250.
H0: m = 12,250
H1: m # 12,250
Find the critical values for the hypothesis test. Assume that the significance level is a=0.05.
Answer: ______________
Round your sample statistic to two decimal places.
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We will test to determine if there evidence of an improvement on the final examination, at the 1% significance level. What is the alternate hypothesis?
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