Question $1$

House sale prices in the Durham Region for the past $6$ years are given in the file "HouseSalePrice.txt$".$ This file includes $1,000,000$ records, where each line represents a single record. House prices range from $500K$ to $1\mathrm{.}5M.$ Real estate agents are always interested to get the average sale price, the maximum and minimum during that period. Write a C$++$ program to help real estate agents do their analysis and find out these statistical numbers.

A real estate agent is also interested in calculating the standard deviation of the first $x$ number of homes in the list, where $xx(x)group(x)$ Please make sure the code is uinque and functioning as intended using C$++$