12/02: 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 of a data set?

Back

The median is the middle value in a data set when the numbers are arranged in order. 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 may have one mode, more than one mode, or no mode at all.

Front

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

Back

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

Front

Given the data set 1, 2, 2, 3, 7, what is the mode?

Back

The mode is 2.

Front

Given the data set 3, 3, 4, 6, 9, what is the mode?

Back

The mode is 3.

Front

What is the median of the data set 36, 42, 28, 52, 48, 36, 31?

Back

The median is 36.

Front

What is the median of the data set 3, 17, 17, 11, 8, 13, 5, 18?

Back

The median is 12.

Front

How do you calculate the mean of the numbers 1, 0, 1, 5, 0, 3, 4?

Back

Add the numbers to get 14, then divide by 7 (the count of numbers) to get a mean of 2.

Front

What does it mean if a data set has no mode?

Back

It means that no number appears more than once in the data set.