Mean, Median, mode, and range

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

What is the median?

Back

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

Front

What is the mode?

Back

The mode is the number that appears most frequently in a data set.

Front

What is the range?

Back

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

Front

How do you find the mean of the numbers 4, 8, 6, 10?

Back

Mean = (4 + 8 + 6 + 10) / 4 = 7.

Front

How do you find the median of the numbers 3, 1, 4, 2?

Back

First, sort the numbers: 1, 2, 3, 4. The median is (2 + 3) / 2 = 2.5.

Front

What is the mode of the data set 5, 3, 5, 2, 5, 3?

Back

The mode is 5, as it appears most frequently.

Front

Find the range of the data set 10, 15, 20, 5.

Back

Range = 20 - 5 = 15.

Front

If the data set is 2, 4, 4, 6, 8, what is the mode?

Back

The mode is 4.

Front

What is the median of the data set 7, 3, 5, 9, 1?

Back

First, sort the numbers: 1, 3, 5, 7, 9. The median is 5.