Mean, Median, and Mode

Front

What is the mean?

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.

Tags

CCSS.6.SP.B.5C

Front

What is the median?

Back

The median is the middle number in a sorted list of numbers. If there are two middle numbers, add them together and divide by 2.

Tags

CCSS.6.SP.B.5C

Front

What is the mode?

Back

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

Tags

CCSS.6.SP.B.5C

Front

Can there be more than one mode?

Back

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

Tags

CCSS.6.SP.B.5C

Front

What is the range?

Back

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

Tags

CCSS.6.SP.B.4

CCSS.HSS.ID.A.1

Front

How do you find the median of the numbers 5, 6, 3, 9, 0, 4, 1, 2, 7?

Back

First, sort the numbers: 0, 1, 2, 3, 4, 5, 6, 7, 9. The median is 4.

Tags

CCSS.6.SP.B.5C

Front

How do you find the mean of the numbers 9, 9, 3, 2, 8, 7, 4?

Back

Add the numbers: 9 + 9 + 3 + 2 + 8 + 7 + 4 = 42. Then divide by the count of numbers (7): 42 ÷ 7 = 6.

Tags

CCSS.6.SP.B.5C

Front

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

Back

Add the two middle numbers together and divide by 2.

Tags

CCSS.6.SP.B.5C

Front

What is an example of a data set with no mode?

Back

A data set like 1, 2, 3, 4, 5 has no mode because no number repeats.

Tags

CCSS.HSS.ID.A.4

Front

What is an example of a data set with multiple modes?

Back

A data set like 1, 2, 2, 3, 3, 4 has two modes: 2 and 3.