Mean, Median, Mode, Range

Front

What is the mean (average) of a set of data?

Back

The mean is calculated by adding all the data points together and dividing by the number of data points.

Front

What is the mode in a data set?

Back

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

Front

How do you find the range of a data set?

Back

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

Front

What is the definition of the range?

Back

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

Front

Can a data set have more than one mode?

Back

Yes, a data set can have more than one mode if multiple numbers occur with the same highest frequency.

Front

What is the median of a data set?

Back

The median is the middle number when the data points are arranged in order. If there is an even number of data points, the median is the average of the two middle numbers.

Front

If the data set is 3, 7, 7, 2, 5, what is the mode?

Back

The mode is 7, as it appears most frequently.

Front

Given the data set 4, 8, 6, 5, what is the mean?

Back

The mean is (4 + 8 + 6 + 5) / 4 = 5.75.

Front

What is the median of the data set 12, 15, 10, 20?

Back

First, arrange the data: 10, 12, 15, 20. The median is (12 + 15) / 2 = 13.5.

Front

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

Back

The range is 9 - 1 = 8.