//*********************************************************
// Mean and Standard Deviation
//
// Given a file of data, this program calculates and
// displays the mean and the standard deviation.
//
// YOUR NAME GOES HERE
// D. Searls
// Asbury College
// Oct 2006
//*********************************************************

#include <iostream>
#include <iomanip>
#include <fstream>
#include <cmath>
#include <string>
using namespace std;

void readAndProcessInput( <formal parameter list> );
double mean( <formal parameter list> );
double stdDev( <formal parameter list> );
void displayResults( <formal parameter list >);

//*********************************************************
//              M A I N   D R I V E R
//*********************************************************

int main()
{
	ifstream inputFile;
	string filename, nameOfData;
	int n;
	double sumX, sumXSqr;

	cout << "STATISTICAL ANALYIS\n\n";
	cout << "Name of the input file: ";
	cin >> filename;
	cout << endl;

	inputFile.open(filename.c_str());
	if(!inputFile.fail())
	{
		readAndProcessInput(inputFile, nameOfData, n, sumX, sumXSqr);
		inputFile.close();
		displayResults(nameOfData, mean(n, sumX), stdDev(n, sumX, sumXSqr));
	}
	else
	{
		cout << "Could not open the input file named '" << filename << endl;
    }
    return 0;
}

//---------------------------------------------------------
// readAndProcessInput
//
// Preconditions: the specified input file has been
// opened successfully and contains no data errors.
//
// Postconditions: the name of the data set, the number of
// data values, the sum of the data values, and the sum
// of the squares of the data values will be returned.
//
// PARAMETER USAGE COMMENTS GO HERE
//---------------------------------------------------------
void readAndProcessInput( <formal parameter list> )
{

}

//---------------------------------------------------------
// mean
//
// Precondition: the number of values is greater than 0.
//
// Postcondition: the mean will be returned as the function
// value.
//
// PARAMETER USAGE COMMENTS GO HERE
//---------------------------------------------------------
double mean( <formal parameter list> )
{

}


//---------------------------------------------------------
// stdDev
//
// Precondition: the number of values is greater than 0.
//
// Postcondition: the standard deviation will be returned
// as the function value.
//
// PARAMETER USAGE COMMENTS GO HERE
//---------------------------------------------------------
double stdDev( <formal parameter list> )
{

}

//---------------------------------------------------------
// displayResults
//
// Display the description of a set of numeric data, the
// mean of the data values, and the standard deviation of
// the data values.
//
// PARAMETER USAGE COMMENTS GO HERE
//---------------------------------------------------------
void displayResults( <formal parameter list> )
{

}