Data Sets and Distributions

shows how spread out the data is

• Frequency

• Data Set

• Variability

• Bimodal

“tail” of data is on the left and the cluster of the data is on the right

• Skewed right

• Bimodal

• Skewed left

• Symmetrical

“tail” of data is on the right and the cluster of data is on the left

• Skewed left

• Symmetrical

• Median

• Skewed right

a distribution of data that shows about the same shape on the left and right of the middle of the data 

• Bimodal

• Symmetrical

• Uniform

• Data Set

The data values are equally distributed  

• Bimodal

• Symmetrical

• Uniform

• Variability

A distribution of data that shows 2 measures of center 

• Bimodal

• Uniform

• Symmetrical

• Skewed Left

The sum of a set of data values divided by the number of values. Also called the average

• Median

• Mode

• Mean

• Range

the middle number of a set of data when values are in order from least to greatest

• Mean

• Median

• Mode

• Range

the value that occurs the most often 

• Mean

• Median

• Mode

• Range

the mean, median, or mode that represents the center of a set of data

• Measures of Spread

• Mean

• Measures of Center

• Mode