Statistics Vocabulary

When a distribution has the same shape on both sides of a middle point, it is considered

• even

• equivalent

• aesthetic

• symmetrical

What type of graph groups data into equal-size intervals

• dot plot

• line plot

• box plot

• histogram

A count of how many times a data value occurs in a data set

• peak

• cluster

• interval

• frequency

What tells us how spread out or close together values in a data set are

• cluster

• peak

• frequency

• variability

Another word for finding the average is ____

• mode

• median

• mean

• range

The number that appears the most often is called the ___

• mean

• median

• mode

• range

The number found in the middle of the data set when it is listed in order is ____

• mean

• median

• mode

• range

the lower quartile is the ___

• median

• median of the lower half of the data

• median of the upper half of the data

• mean

the interquartile range is ___

• max minus upper quartile

• upper quartile minus lower quartile

• max minus min

• lower quartile minus min

If you have an outlier, the _____ is used to describe the data.

• mean

• median

• mode