Posted: May 29th, 2024
The emergency room at Medical Center wants to test if time of
The emergency room at Medical Center wants to test if time of day time effects waiting time for patients.The following data was collected:Daytime: 31,29,30,22,29,19,32,25,30,26Nighttime: 23,24,27,27,26,26,31,29,23,23,27,22Assume the population standard deviations are not the same and degrees of freedom is 14.Answer the following questions at the 0.05 level of significance.a. What is the mean and standard deviation of the daytime waiting times? and what is the mean and standard deviation of the nighttime waiting times?b. What is the null and alternative hypothesis?c. What is the decision rule or at what value do you reject H0?d. What is the calculated test statistic?e. What is your conclusion or do you reject the null hypothesis?
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