1. Using the data sashelp.class in SAS, run a single sample t-test to determine if the mean of the incoming class of students at a private school in GA is different from the national average of 105 pounds. Use an alpha of .05. However, first test to see if weight is normally distributed. Include your code and a screenshot of the results. Also, include a) the null and alternative hypotheses; b) the df; c) the t value and p value; d) the 95% confidence interval; e) brief explanation of overall findings. The null hypothesis is currently accepted value for a parameter (H0). The alternative hypothesis is the claim to be tested opposite from the null hypothesis. Reject or fail to reject the null hypothesis