**/* Function arraySum*/**

float arraySum(float x[], int size)

{

/* declaring necessary variables*/

int i;

float sum=0.0;

/* calculating the sum of the array elements & storing them in variable sum*/

for(i=0;i<size;i++)

{

sum=sum+x[i];

}

return sum; /*returns the result*/

}

**b) /*Function getDeviations*/**

void getDeviations(float x[], float deviations[], int size)

{

/* declaring necessary variables*/

float sumOfArray,average;

int i;

/* calculating sum of array using arraySum function*/

sumOfArray=arraySum(x,size);

/* calculating average value of the array elements*/

average=(float)sumOfArray/size;

/* calculating deviations i.e. the difference between the array elements and the average value of the array elements*/

for(i=0;i<size;i++)

{

deviations[i]=x[i]-average;

}

}

**c) /* The Full Program in C++*/**

#include<iostream>

#include<iomanip>

using namespace std;

float arraySum(float x[], int size);

void getDeviations(float x[], float deviations[], int size);

int main()

{

/* 1.declaring a static array p[] and initialize it accordingly */

static float p[]={-10.3,1.5,11.1,15.7,-0.4,25.2};

/* declaring necessary variables*/

int size=6; /* the size of the array p[] is 6 */

int i;

float sumDeviations;

/* 2.creating a dynamic array pdeviations with the same number of elements of array p[] */

float *pdeviations;

pdeviations=new float[size]; /* the size of the array p[] is 6 */

/**3.using getDeviations() function storing the deviation in pdeviation**/

getDeviations(p,pdeviations,size);

/* 4.displaying the values of array p and its deviations side by side */

cout<<“p_value”<<” “<<“p_deviation”<<endl;

for(i=0;i<size;i++)

{

cout<<p[i]<<” “<<pdeviations[i]<<endl;

}

/* calculating the sum of the array pdeviations using arraySum() function & storing the result in variable sumDeviation*/

sumDeviations=arraySum(pdeviations,size);

/* 5.displaying the sum of pdeviations array*/

cout<<“nThe sum of pdeviations array is (without setting the precision):”;

cout<<sumDeviations<<endl;

cout<<“nThe sum of pdeviations array is (setting the precision):”;

cout<<fixed<<setprecision(12)<<sumDeviations<<endl;

delete[] pdeviations; /* it releases the memory that was dynamically allocated for array elements*/

return 0;

}

float arraySum(float x[], int size)

{

/* declaring necessary variables*/

int i;

float sum=0.0;

/* calculating the sum of the array elements & storing them in variable sum*/

for(i=0;i<size;i++)

{

sum=sum+x[i];

}

return sum; /*returns the result*/

}

void getDeviations(float x[], float deviations[], int size)

{

/* declaring necessary variables*/

float sumOfArray,average;

int i;

/* calculating sum of array using arraySum() function*/

sumOfArray=arraySum(x,size);

/* calculating average value of the array elements*/

average=(float)sumOfArray/size;

/* calculating deviations i.e. the difference between the array elements and the average value of the array elements*/

for(i=0;i<size;i++)

{

deviations[i]=x[i]-average;

}

}

/*———————–6.——————–output screen———————————————-*/

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