Mean, Median, Mode, and Range

Front

What is the mean of a set of numbers?

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 in a data set?

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 of a set of numbers?

Back

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

Front

How do you calculate the range of a set of numbers?

Back

The range is calculated by subtracting the smallest number from the largest number in the data set.

Front

What is the average of the following numbers: 72, 73, 79, 84, 84, 84, 90, 90, 97?

Back

The average is 83.67.

Front

In the data set 72, 73, 79, 84, 84, 84, 90, 90, 97, how many data points are there?

Back

There are 9 data points.

Front

What is the mode of the data set: 72, 73, 79, 84, 84, 84, 90, 90, 97?

Back

The mode is 84.

Front

What is the median of the data set: 72, 73, 79, 84, 84, 84, 90, 90, 97?

Back

The median is 84.

Front

If Roger's bowling scores are: 155, 165, 138, 172, 127, 193, 142, what is the range of his scores?

Back

The range is 66.

Front

What is the mode of the following scores: 155, 165, 138, 172, 127, 193, 142?

Back

There is no mode since all scores occur only once.