SCENARIO 9-1
Microsoft Excel was used on a set of data involving the number of defective items found in a random sample of 46 cases of light bulbs produced during a morning shift at a plant.A manager wants to know if the mean number of defective bulbs per case is greater than 20 during the morning shift.She will make her decision using a test with a level of significance of 0.10.The following information was extracted from the Microsoft Excel output for the sample of 46 cases:

-Referring to Scenario 9-1,the evidence proves beyond a doubt that the mean number of defective bulbs per case is greater than 20 during the morning shift.

Question

SCENARIO 9-1
Microsoft Excel was used on a set of data involving the number of defective items found in a random sample of 46 cases of light bulbs produced during a morning shift at a plant.A manager wants to know if the mean number of defective bulbs per case is greater than 20 during the morning shift.She will make her decision using a test with a level of significance of 0.10.The following information was extracted from the Microsoft Excel output for the sample of 46 cases:
 
-Referring to Scenario 9-1,the evidence proves beyond a doubt that the mean number of defective bulbs per case is greater than 20 during the morning shift.

Quizplus · Accepted Answer

The information provided in the scenario is not enough to make a conclusion about whether the mean number of defective bulbs per case is greater than 20 or not. The output only provides information about the sample mean, sample standard deviation, and sample size. The hypothesis test should be conducted to make a conclusion with a given level of significance.

SCENARIO 9-1 Microsoft Excel Was Used on a Set of Data Involving