Mean, Median, Mode, 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 largest and smallest numbers in a data set.

Front

How do you find the mean of 7, 4, 9, 6, 4?

Back

Add the numbers: 7 + 4 + 9 + 6 + 4 = 30. Then divide by the count of numbers (5): 30 ÷ 5 = 6.

Front

If the numbers are 1, 2, 7, 9, what is the mode?

Back

The mode is 7, as it is the number that appears most often.

Front

What is the median of the numbers 3, 1, 4, 2?

Back

First, sort the numbers: 1, 2, 3, 4. The median is the average of 2 and 3, which is (2 + 3) ÷ 2 = 2.5.

Front

What is the range of the numbers 5, 10, 15?

Back

The range is 15 - 5 = 10.

Front

If the data set is 2, 3, 3, 5, what is the mode?

Back

The mode is 3, as it appears most frequently.

Front

What is the median of the data set 8, 3, 5, 7?

Back

Sort the numbers: 3, 5, 7, 8. The median is (5 + 7) ÷ 2 = 6.