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 list of numbers?

Back

The median is the middle number in a list of numbers ordered from lowest to highest. If there are two middle numbers, the median is the average of those two.

Front

What is the mode of a set of numbers?

Back

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

Front

What is the range of a set of numbers?

Back

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

Front

How do you find the range of Roger's scores: 155, 165, 138, 172, 127, 193, 142?

Back

The range is 193 - 127 = 66.

Front

What do you do if there are two middle numbers when finding the median?

Back

Add the two middle numbers together and divide by 2.

Front

If the scores are: 36, 42, 28, 52, 48, 36, 31, what is the median?

Back

First, order the numbers: 28, 31, 36, 36, 42, 48, 52. The median is 36.

Front

What is the difference between mean and median?

Back

The mean is the average of all numbers, while the median is the middle value when numbers are ordered.

Front

Can a set of numbers have more than one mode?

Back

Yes, a set can have multiple modes if two or more numbers appear with the same highest frequency.

Front

What is an example of finding the mean?

Back

For the numbers 2, 4, 6, the mean is (2 + 4 + 6) / 3 = 4.