Mean and Range

Front

What is the definition of 'mean'?

Back

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

Front

What is the definition of 'range'?

Back

The range is the difference between the highest and lowest values in a set of numbers.

Front

Calculate the mean of the following numbers: 10, 20, 30, 40.

Back

Mean = (10 + 20 + 30 + 40) / 4 = 25.

Front

Calculate the range of the following numbers: 5, 15, 25, 35.

Back

Range = 35 - 5 = 30.

Front

What is another term for 'mean'?

Back

Average.

Front

If the test scores are: 72, 94, 108, 60, what is the range?

Back

Range = 108 - 60 = 48.

Front

Find the mean of these numbers: 3, 4, 5, 5, 5, 6, 7.

Back

Mean = (3 + 4 + 5 + 5 + 5 + 6 + 7) / 7 = 5.

Front

What is the range of the following set of numbers: 15, 22, 13, 19, 25?

Back

Range = 25 - 13 = 12.

Front

What does it mean if a number is the 'mode'?

Back

The mode is the number that occurs most frequently in a set of numbers.

Front

How do you find the mean of a data set?

Back

Add all the numbers together and divide by the total count of numbers.