Mean, median, mode, and outliers REVIEW

Front

What is an outlier?

Back

A value that is much higher or much lower than the other values in a set of data.

Front

What is the mean?

Back

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 middle value in a set of numbers when they are arranged in order.

Front

What is the mode?

Back

The number that appears most frequently in a data set.

Front

How do you find the mean of a data set?

Back

Add all the numbers together and divide by the total count of numbers.

Front

What happens to the mean if a very high number is added to the data set?

Back

The mean will increase.

Front

What happens to the mean if a very low number is added to the data set?

Back

The mean will decrease.

Front

Given the data set 50, 55, 55, 60, 62, what is the median?

Back

The median is 55.

Front

In the data set 90, 85, 0, 90, 80, 100, which number is the outlier?

Back

The outlier is 0.

Front

What is the mode of the data set 19, 19, 9, 11, 13, 20, 19, 10?

Back

The mode is 19.