Question

Program already solved, but I need to put function documentation headers for each and every function in your program (for the ones you write, and keep the function header I give you for the main() function). Also make sure you keep the file block header at the top of the file, and fill in the information correctly. Secondly this week you must get your indentation correct. All indentation must use 2 spaces, and you should not have embedded tabs in your program files. (I JUST NEED HELP ON GETTING THE RIGHT FORMAT of the program)

#include
#include
#include

using namespace std;

double calculateMean(int n, int x[])
{
    double sum = 0;
    for(int i=0; i {
    sum += x[i];
}
    return sum/n;
}

double calculateStandardDeviation(int n, int x[]) {
        double avg = calculateMean(n, x);

        double sum = 0;
        for(int i=0; i                 sum += pow(x[i] - avg, 2);
        }

        return sqrt(sum/n);
}

/** main
* The main entry point for this program. Execution of this program
* will begin with this main function.
*
* @param argc The command line argument count which is the number of
*     command line arguments provided by user when they started
*     the program.
* @param argv The command line arguments, an array of character
*     arrays.
*
* @returns An int value indicating program exit status. Usually 0
*     is returned to indicate normal exit and a non-zero value
*     is returned to indicate an error condition.
*/
int main(int argc, char** argv)
{
int n = 22;
int x[] = {5, 8, 3, 7, 9, 2, 7, 5, 4, 5, 2, 1, 9, 8, 9, 3, 5, 2, 5, 8, 8, 9};
double xbar;
double std;

// calculate and display mean of values
xbar = calculateMean(n, x);
cout << "The calculated mean is: " << setprecision(8) << xbar << endl;

// calculate and display standard deviation of values
std = calculateStandardDeviation(n, x);
cout << "The calculated standard deviation is: " << setprecision(8) << std << endl;

// return 0 to indicate successful completion
return 0;
}

Answer 1

#include <iostream> // for functions that do input/output operations eg. cout
#include <cmath> //for functions that do mathematical operations eg. sqrt()
#include <iomanip> // for functions that manipulate values eg. setprecision()

using namespace std;

/** calculateMean
* computes average of elements of an array given the array size.
*
* @param x The array of integers for which mean is to be computed.
* @param n The array size
*
* @returns A double value equaling to average of the array elements
*
*/

double calculateMean(int n, int x[])
{
double sum = 0;
for(int i=0; i<n; i++) {
sum += x[i];
}
return sum/n;
}

/** calculateStandardDeviation
* computes standard deviation of elements of an array given the array size.
* First calls calculateMean function to compute the average to be used to compute standard deviation
*
* @param x The array of integers for which mean is to be computed.
* @param n The array size
*
* @returns A double value equaling to standard deviation of the array elements
*
*/
double calculateStandardDeviation(int n, int x[]) {
double avg = calculateMean(n, x);

double sum = 0;
for(int i=0; i<n ; i++){
sum += pow(x[i] - avg, 2);
}

return sqrt(sum/n);
}

/** main
* The main entry point for this program. Execution of this program
* will begin with this main function.
*
* @param argc The command line argument count which is the number of
* command line arguments provided by user when they started
* the program.
* @param argv The command line arguments, an array of character
* arrays.
*
* @returns An int value indicating program exit status. Usually 0
* is returned to indicate normal exit and a non-zero value
* is returned to indicate an error condition.
*/
int main(int argc, char** argv)
{
int n = 22;
int x[] = {5, 8, 3, 7, 9, 2, 7, 5, 4, 5, 2, 1, 9, 8, 9, 3, 5, 2, 5, 8, 8, 9};
double xbar;
double stdev;

// calculate and display mean of values
xbar = calculateMean(n, x);
cout << "The calculated mean is: " << setprecision(8) << xbar << endl;

// calculate and display standard deviation of values
stdev = calculateStandardDeviation(n, x);
cout << "The calculated standard deviation is: " << setprecision(8) << stdev << endl;

// return 0 to indicate successful completion
return 0;
}

OUTPUT

The calculated mean is: 5.6363636 The calculated standard deviation is: 2.6206428

PLEASE PLEASE GIVE A THUMBS UP

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