Finding the Mean

Front

What is the mean?

Back

The mean is the average of a set of numbers, calculated by adding all the numbers together and dividing by the total count of numbers.

Front

How do you find the mean of a set of numbers?

Back

To find the mean, add all the numbers together and then divide by how many numbers there are.

Front

Find the mean of these numbers: 12, 15, 18, 13, 6, 14.

Back

The mean is 13.

Front

What is the mean of the following set: 2, 12, 1, 5, 4?

Back

The mean is 4.8.

Front

If the ages of four people are 14, 32, 27, and 11, what is the average age?

Back

The average age is 21.

Front

Joe scored 85, Jill scored 89, and Bill scored 99. What is their average score?

Back

The average score is 91.

Front

What is the formula for calculating the mean?

Back

Mean = (Sum of all values) / (Number of values)

Front

What does it mean if the mean is higher than most of the numbers in a set?

Back

It may indicate that there are one or more very high values that are affecting the average.

Front

What is the mean of the following numbers: 10, 20, 30, 40, 50?

Back

The mean is 30.

Front

If the mean of a set of numbers is 10 and there are 5 numbers, what is the total sum of those numbers?

Back

The total sum is 50.