Data Sets and Distributions Vocabulary

Has data values that are numbers (usually), quantities, or measurements instead of words

• Categorical Data

• Numerical Data

• Frequency

• Distribution

 has data values that are words (usually) instead of numbers

• Categorical Data

• Numerical Data

• Quartile

• Statistical Question

a graphical display that shows frequency or the number of times a value occurs

• Box Plot

• Histogram

• Dot Plot

• Data Set

a graphical display representing numerical data by grouping the data into intervals and showing how many values are in each interval using vertical bars that touch 

• Dot Plot

• Histogram

• Box Plot

• Mean

a graphical display that separates the data into 4 sections using the 5-Number Summary

• Box Plot

• Dot Plot

• Histogram

• Quartile

Three numbers that divide a set of data into 4 parts

• Quartile

• Outlier

• Median

• Mode

a questions that provides variation in the data

• Variability

• Skewed right

• Statistical Question

• Data Set

a value that is set apart (much larger or much smaller) from the rest of the data values

• Bimodal

• Range

• Measures of spread

• Outlier

 The shape of a graph when all data values are plotted on a graph (examples: skewed left/right, symmetrical, uniform, bimodal)

• Distribution

• Skewed left

• Symmetrical

• Uniform

the numbers of times a value occurs 

• Mean

• Frequency

• Variability

• Quartile