Data Distribution Vocabulary

A description that shows data spread out to the left or right

• Variablility

• Spread

• Skew

• Distribution

Numbers that are much greater or much less than the other numbers in the set

• Spread

• Quartile

• Outlier

• Range

What is the range?

• the middle number of the set of data

• when you add the data together and divide by the number of values - find the average

• the value that occurs the most often

• the largest number minus the smallest number

• quartile 3 minus quartile 1

What is the mode?

• the middle number of the set of data

• when you add the data together and divide by the number of values - find the average

• the value that occurs the most often

• the largest number minus the smallest number

• quartile 3 minus quartile 1

What is the Interquartile Range (IQR)?

• the middle number of the set of data

• when you add the data together and divide by the number of values - find the average

• the value that occurs the most often

• the largest number minus the smallest number

• quartile 3 minus quartile 1

A division of the total into four intervals, each one representing one-fourth of the total

• Variablility

• Spread

• Quartile

• Distribution

What kind of graph is this?

• Histogram

• Dot Plot

• Bar Graph

• Box Plot

The measure of how far the numbers in a data set are away from the mean or the median

• Variablility

• Spread

• Skew

• Distribution

Data values that are not all the same

• Variablility

• Spread

• Skew

• Distribution

If n% of the items in a distribution are less than a particular data item, we say that the data item is in the nth ________ of the distribution.

• quartile

• percentile

• range

• mode