PLEASE USE RStudio TO ANSWER

Install package AER on your computer, if you have not done before. Next, load the

package and print the output of the package loading process.

Load the dataset named NMES$1988$ in the AER package and display the top few records

using the head function. Finally print output of the entire process.

Use the table function to display the frequency distribution of the school variable in

NMES$1988.$ Explain the pattern that you see in the distribution.

Use one of the apply family functions, to compute and print a vector of averages of

all columns of NMES$1988.$ SUB. Note that you can use the mean function for computing

the averages.