Mean Median Mode

What is the median?

• biggest- smallest

• average

• the middle #

• # that happens the most

What is the mean?

• happening the most

• the number in the middle

• biggest-smallest

• the average

Which measure of central tendency is MOST EASILY affected by outliers?

• mean

• median

• mode

• IQR

When should the mean be used to best describe a data set?

• When an outlier is present in the data set

• When there is no mode

• When there is NOT an outlier in the data set

• When the range is larger than the interquartile range

How do you find the mean of a data set?

• Add all the values then divide the total by the number of values.

• Add all the values then divide by 2.

• Multiply and divide all the values.

• Order the values from least to greatest and divide them.

The average of a data set is also known as the

• Mode

• Median

• Mean

• Range

Measures that describe a data set by identifying the

middlemost value by a single number, usually using a mean, median or mode, are called

• Measures of Central Tendency

• Measures of Spread

• Measures of Medians

• Measures of Averages

What is the middle value in a data set that has been ordered from least to greatest?

• Mode

• Median

• Mean

• Q1

What is the values or numbers that occurs the most in a data set?

• Median

• Mode

• Mean

• Maximum

Find the mean of the following data set: 5, 9, 3, 13, 5.

• 5

• 7

• 35

• 175