Case Study One of your distributors reports an average of 120 sales per day. You suspect...
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Case Study One of your distributors reports an average of 120 sales per day. You suspect that this average is not accurate, so you randomly select 36 days and determine the number of sales each day. The sample mean is 113 daily sales with a standard deviation of 15 sales. At a=0.04 is there enough evidence to doubt the distributor's reported average? a. Identify the claim. Then state the null and alternative hypotheses. b. Identify the level of significance. c. Find the standardized test statistic z. d. Find the P-value. (Show. on the graph as well well] e. Decide whether to reject the null hypothesis. f. Interpret the decision in the context of the original claim. Case Study One of your distributors reports an average of 120 sales per day. You suspect that this average is not accurate, so you randomly select 36 days and determine the number of sales each day. The sample mean is 113 daily sales with a standard deviation of 15 sales. At a=0.04 is there enough evidence to doubt the distributor's reported average? a. Identify the claim. Then state the null and alternative hypotheses. b. Identify the level of significance. c. Find the standardized test statistic z. d. Find the P-value. (Show. on the graph as well well] e. Decide whether to reject the null hypothesis. f. Interpret the decision in the context of the original claim.
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