A company has branches in Edmonton and Calgary. A researcher wants to compare the mean salaries...
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A company has branches in Edmonton and Calgary. A researcher wants to compare the mean salaries of the company employees in Edmonton branch and Calgary branch. He has the following summary based on the data he collected. Edmonton Calgary sample size (n) sample mean (x) sample s.d. (s) 36 5275 150 100 5240 200 (a) Is there sufficient evidence to conclude that there is difference between the mean salaries of the two branches? Test at a significance level of a = : 0.1. (b) Use a 90% confidence interval to compare the mean salaries. Give a complete interpreta- tion of your result. A company has branches in Edmonton and Calgary. A researcher wants to compare the mean salaries of the company employees in Edmonton branch and Calgary branch. He has the following summary based on the data he collected. Edmonton Calgary sample size (n) sample mean (x) sample s.d. (s) 36 5275 150 100 5240 200 (a) Is there sufficient evidence to conclude that there is difference between the mean salaries of the two branches? Test at a significance level of a = : 0.1. (b) Use a 90% confidence interval to compare the mean salaries. Give a complete interpreta- tion of your result. A company has branches in Edmonton and Calgary. A researcher wants to compare the mean salaries of the company employees in Edmonton branch and Calgary branch. He has the following summary based on the data he collected. Edmonton Calgary sample size (n) sample mean (x) sample s.d. (s) 36 5275 150 100 5240 200 (a) Is there sufficient evidence to conclude that there is difference between the mean salaries of the two branches? Test at a significance level of a = : 0.1. (b) Use a 90% confidence interval to compare the mean salaries. Give a complete interpreta- tion of your result. A company has branches in Edmonton and Calgary. A researcher wants to compare the mean salaries of the company employees in Edmonton branch and Calgary branch. He has the following summary based on the data he collected. Edmonton Calgary sample size (n) sample mean (x) sample s.d. (s) 36 5275 150 100 5240 200 (a) Is there sufficient evidence to conclude that there is difference between the mean salaries of the two branches? Test at a significance level of a = : 0.1. (b) Use a 90% confidence interval to compare the mean salaries. Give a complete interpreta- tion of your result.
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