Question: In a new SAS program, use the SAS data set world2 saved in Exercise 2.16 in a proc univariate step to compute descriptive statistics, extreme

In a new SAS program, use the SAS data set world2 saved in Exercise 2.16 in a proc univariate step to compute descriptive statistics, extreme values, percentiles, and low-resolution plots for the variables Lifeexp, Percgnp, and Popurban. Use an appropriate option to calculate t-tests for the hypotheses that population means for each of these variables exceed 70 years, below $3000, and above 60%, respectively. Also, include an option for calculating 95% confidence intervals for these parameters. Interpret the results of the t-tests using the p-values printed.

Comment on the shape of the distribution of each of these variables using the printed output produced. Do the Shapiro–Wilk tests for normality conducted for each variable above support your conclusions?

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