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Problem
Your history professor has so many students in her class that she has trouble determining how well the class does on exams. She has found out that you are a computer whiz and has asked you to write a program to do some simple statistical analyses on exam scores. Your program must work for any class size up to 100 (0 < n><= 100). write and test a program that does the following:>
a. Reads the test grades from a file.
b. Calculates the class mean, standard deviation and percentage of the test scores falling into the ranges:
Output
The input data as they are read.
A report consisting of the title that was read from data, the number of scores, the mean, the standard deviation (labeled), and the histogram.
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