Goodness-of-fit test for normality at significance level

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Question: Fifty cities provided information on vacancy rates (in percent) in local apartments in the following frequency distribution. The sample mean and the sample standard deviation are 9% and 3.6%, respectively.

Vacancy Rate (in percent)             Frequency

Less than 6                                     10

6 up to 9                                        10

9 up to 12                                      20

12 or more                                      10

Apply the goodness-of-fit test for normality at the 5% significance level. Do the sample data suggest that vacancy rates do not follow the normal distribution?

Reference no: EM131807757

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