Mean

The video tutorial explains how to calculate the average of a set of numbers by adding all the values together and dividing the sum by the number of values. An example is provided using the numbers 1, 5, and 6, which are added to get 12, and then divided by 3 to result in an average of 4.

What is the first step in calculating an average?

• Multiply all the values together

• Add all the values together

• Divide the largest value by the smallest

• Subtract the smallest value from the largest

In the example provided, what is the sum of the numbers 1, 5, and 6?

• 10

• 11

• 12

• 13

How many values are used in the example calculation?

• 2

• 4

• 3

• 5

What is the final result of the average calculation in the example?

• 3

• 4

• 5

• 6

Which operation is performed after summing the values to find the average?

• Multiplication

• Addition

• Subtraction

• Division