Mean, Median, Mode, & Range

Front

What is the definition of Mean?

Back

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

Front

What is the definition of Median?

Back

The middle number in a sorted list of numbers. If there is an even number of observations, the median is the average of the two middle numbers.

Front

What is the definition of Mode?

Back

The number that appears most frequently in a data set.

Front

What is the definition of Range?

Back

The difference between the largest and smallest numbers in a data set.

Front

How do you find the Mean of the numbers: 72, 94, 108, 60?

Back

Add the numbers (72 + 94 + 108 + 60 = 334) and divide by 4. Mean = 83.5.

Front

How do you find the Median of the numbers: 60, 58, 52, 48, 60, 67?

Back

Sort the numbers: 48, 52, 58, 60, 60, 67. The median is the average of 58 and 60, which is 59.

Front

What is the Mode of the numbers: 94, 92, 94, 88, 90?

Back

The mode is 94, as it appears most frequently.

Front

If the Range of a set of numbers is 48, what does that mean?

Back

It means the difference between the largest and smallest numbers in that set is 48.

Front

True or False: To find the Median, the data must be sorted from least to greatest.

Back

True.

Front

What does it mean if a score is the Mode in a test?

Back

It means that score was received by more students than any other score.