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

How do you calculate the median of a data set?

Back

To find the median, arrange the numbers in ascending order and identify the middle number. 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 data set?

Back

The mode is the number that appears most frequently in a data set. A set can have one mode, more than one mode, or no mode at all.

Front

What is the range of a data set?

Back

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

Front

Find the mean of the following numbers: 10, 20, 30, 40, 50.

Back

Mean = (10 + 20 + 30 + 40 + 50) / 5 = 30.

Front

Find the median of the following numbers: 3, 1, 4, 2, 5.

Back

Median = 3 (after arranging the numbers in order: 1, 2, 3, 4, 5).

Front

Find the mode of the following numbers: 2, 3, 4, 4, 5, 5, 5, 6.

Back

Mode = 5 (it appears most frequently).

Front

What is another term for the mean?

Back

Average.

Front

Can a data set have more than one mode?

Back

Yes, a data set can have multiple modes if multiple values appear with the same highest frequency.

Front

What is the median of the following set: 7, 9, 5, 3, 8?

Back

Median = 7 (after arranging the numbers: 3, 5, 7, 8, 9).