Media

The video tutorial explains how to calculate the mean by adding all values and dividing by the number of values. It uses the example of calculating the mean of 1, 5, and 6, resulting in a mean of 4.

What is the first step in calculating the mean of a set of numbers?

• Divide the largest number by the smallest

• Subtract the smallest number from the largest

• Add all the numbers together

• Multiply all the numbers together

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

• 10

• 11

• 12

• 13

How many numbers are used in the example to calculate the mean?

• 5

• 4

• 3

• 2

What is the final mean value obtained from the numbers 1, 5, and 6?

• 3

• 4

• 5

• 6

What operation is performed after summing the numbers to find the mean?

• Multiplication

• Subtraction

• Division

• Addition