1. Use SAS function to generate 100 observations from a normal distribution with mean 20 and standard deviation 10. 2. For this data, use PROC TTEST to test the mean of the population of data is 20. 3. Use PROC MEANS to obtain a 95% confidence interval and then output this interval into a SAS data set. X Height Weight 64.3 90.0 56.3 77.0 66.5 112.0 72.0 150.0 64.8 128.0 67.0 133.0 57.5 85.0 Data 2 TXT - 276 Bytes X Height Weight 69.0 112.5 56.5 84.0 65.3 98.0 62.8 102.5 63.5 102.5 57.3 83.0 59.8 84.5 62.5 112.5 62.5 84.0 59.0 99.5 51.3 50.5 Data 1 TXT - 328 Bytes