If appropiate use the information to calcualte and

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A simple random sample of 29 students enrolled in graduate programs was selected, and the age of each student when they took the comprehensive exam was recorded. The mean age at the time of taking the comprhensive exam for this sample of 29 students was 26.9 years with a standard deviation(sigma) of 2.5 years; there were no outliers in the sample that would lead one to suspect heavy skewness in the distribution. If appropiate, use the information to calcualte and interpret a 95% confidence interval for the mean age of students at the time they take the comprehensive exam for all students enrolled in graduate programs that require students to take comprehensive exams.

Reference no: EM13622634

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