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Need help, I need to design a program to read in a sequence of
how many children there are per family for a group of families.

The code should accomplish the following:

• store number of children in an array,


• calculate the average number of children per family, and


• report how many families have an above average number of children.

Also, I need to add a second loop to find out how many families have less than the average number of children.

I am allowed to declare and initialize variables as needed, here is what I have so far:

int numFamilies;

Scanner scan = new Scanner (System.in);
System.out.print("For how many families will a child count be entered?");
numFamilies = scan.nextInt();

// create the array
int[] numChildren = new int[numFamilies];

 // read in the number of children for each family and find the average
for (int i = 0; i < numChildren.length; i++)

 System.out.print ("Enter number of children for family " + (i+1) +": ");
 numChildren[i] = scan.nextInt();


// loop to find out how many families have less than the average
// number of children

If you use Java8 or higher you can use java.util.Arrays(docs) class:

int sum = Arrays.stream(numChildren).sum();

If not you can iterate the array:

int sum = 0;
for (int children : numChildren) 
 sum += children;

For the average:

int average = numFamilies / sum;

Finally you can then iterate over the array and check your criteria:

for (int i = 0; i < numChildren.length; i++) 
 String result = numChildren[i] >= sum ? "above or equal to" : "less than";
 System.out.println("Family: " + (i+1) + " is " + result + " the average";

Notes:

1. You need to add additional checks for division by zero etc


2. You could use Double for better precision