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Answer the following questions using the dataset Grade Point Averages with SAS EG -Read the dataset in SAS - Use SAS PROC SurveySelect

Answer the following questions using the dataset "Grade Point Averages" with SAS EG

-Read the dataset in SAS

- Use SAS PROC SurveySelect Samplingtool to find a simple random sample of 30 unique records. Use method=SRS and seed=123456

- Estimate the mean and standard deviation for the sample

- Let's assume that we don't know the population Standard Deviation. Calculate the Confidence Interval at 95% for estimating the population mean for GPA

-Now, estimate the mean and standard deviation for the population (original Grade Point Averages).

- Calculate the Confidence Interval at 95% for estimating the population mean for GPA

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