Mean, Median, Mode, Range, Outliers

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 count of numbers.

Front

What is the median?

Back

The median is the middle value in a list of numbers sorted in ascending order. If there is an even number of values, the median is the average of the two middle numbers.

Front

What is the mode?

Back

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

Front

What is the range?

Back

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

Front

What are outliers?

Back

Outliers are values that are significantly higher or lower than the other values in a data set.

Front

How do you calculate the mean of the numbers: 8, 10, 60, 3, 5, 13, 12, 40, 8?

Back

Mean = (8 + 10 + 60 + 3 + 5 + 13 + 12 + 40 + 8) / 9 = 15.56.

Front

Find the median of the numbers: 60, 58, 52, 48, 60, 67.

Back

Median = 59 (after sorting: 48, 52, 58, 60, 60, 67).

Front

What is the mode of the numbers: 12, 10, 10, 10, 13, 12, 11, 13, 10?

Back

Mode = 10.

Front

Calculate the range of Lizzy's test scores: 72, 94, 108, 60.

Back

Range = 108 - 60 = 48.

Front

What is the mean of the following set of numbers: 5, 10, 15, 20?

Back

Mean = (5 + 10 + 15 + 20) / 4 = 12.5.