Question

Write a single statement that assigns avg_sales with the average of num_sales1, num_sales2, and num_sales3. Sample output for the given program: 5.0

Answer 1

A single line statement that computes the average would be:

avg_sales = (num_sales1 + num_sales2 + num_sales3) / 3;

You have to keep in mind that this would work in programming languages like Python. The IDLE platform will automatically give the answer in a form of a Double, thus giving you the decimal place automatically.

If you are coding in Java, you will have to declare the double in the single line statement.

avg_sales=(double)(num_sales1 + num_sales2 + num_sales3) / 3.0;

This is also assuming the you have declared "avg" as a double beforehand.

Answer 2

Following are the Python program to calculate the average value.

Program Explanation:

• Defining variables "num_sales1, num_sales2, and num_sales3" that holds integer value that is "3, 4, and 8".
• In the next step, another variable "avg_sales" is declared that holds a value "0".
• Inside the "avg_sales" we calculate the average value of the above input value and use the print method that prints its value.  

Program:

num_sales1 = 3#defining variable that holds integer value  

num_sales2 = 4#defining variable that holds integer value

num_sales3 = 8#defining variable that holds integer value

avg_sales = 0#defining variable that holds integer value

avg_sales = (num_sales1 + num_sales2 + num_sales3) / 3#using avg_sales variable that calculates average value

print(avg_sales)#print average value

Output:

Please find the attached file.

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