Question: a sample of computer usage for 40 students showed a sample mean of 6.2 hours. standard deviation is 2.4 hours find a 90% confidence interval

a sample of computer usage for 40 students showed a sample mean of 6.2 hours. standard deviation is 2.4 hours find a 90% confidence interval for the mean amount of time used by students

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c. Acafeteriawhere healthy, nutritionally balanced foods are served

c. What steps can you take to help eliminate the stress?

c. Do you have a series of personal and professional goals that guide you in setting priorities for use of your time?