# Statistical Test

Given the following situation, how would you use Megastat to test whether the population defective rate (proportion) is greater than 5%? Please outline the process for the test and, if necessary, include the output from Megastat to explain your approach. What conditions do you need to check to make sure that the analysis is valid.

"A random sample of 100 cell phones was inspected in a cell phone factory. It was found that 9 of the cell phones is defective in some way. Based on this data, the auditor wants to perform a statistical test to see whether the defective rate of cell phones produced by the factory is greater than 5%."

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#### Solution Summary

A Complete, Neat and Step-by-step Solution is provided in the attached Excel file.

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