Question: # Problem 4 :Use the R function read.csv() to load the data set from the file Admission.csv into an R data-frame named a . #

# Problem 4:Use theRfunctionread.csv()to load the data set from the fileAdmission.csvinto anRdata-frame nameda.

# (a)calculates the mean and variance of the column that contains students'Grade Point Average(GPA).

# (b)shows the histogramandthe empirical density of GPA scores on thesame plot

#(histogram break points must be reasonably chosen; experiment with various choices of breaks until you find a good choice).

# (c)'adds' to the plot from part (b) the graph of a normal distribution pdf and see how it compares to the histogram or the empirical density plotted there.

#Specify what the appropriate parameters of this normal distribution are.

# (d)produces a scatter plot of GPAs (on the vertical axis) againstGMAT scores.

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