Question 12 5 Points The Four Seasons Landscaping in Philadelphia claims that their mulch has a density with a standard deviation of less than 11
Question 12 5 Points The Four Seasons Landscaping in Philadelphia claims that their mulch has a density with a standard deviation of less than 11 kg/m3. A sample of 23 measurements produced a mean and standard deviation of 172 and 8.6, respectively. Select the null and alternate hypothesis, if you were to conduct a hypothesis test for the population variance (or standard deviation). Select only ONE answer. H : 0= 121 A H : o# 121 HO: Sigma = 11 B H1: Sigma
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