Statistics Question -
QUESTION 1 - Calculate a 95% confidence interval for the unknown population mean number of hours worked per week.
QUESTION 2 - Test, at the 1% level of significance, whether the average distance a student lives from campus is more than 15 km.
QUESTION 3 - Test, at the 5% level of significance, whether the average GPA is different for females compared to males. [You may assume that the unknown population standard deviations for males and females are equal]
QUESTION 4 - Test, at the 5% level of significance, whether a student owing an Ipad is dependent to how often they exercise?
Attachment:- Assignment Files.rar