Measures of Central Tendency and Variability Vocabulary

The __________ is the middle number, or the mean of the two middle numbers, of the ordered data in a set.

• mean

• range

• median

• mean absolute deviation

The __________ of the data set is the sum of the data divided by the number of pieces of data.

• third quartile

• mean

• measures of center

• mode

__________ are values that divide the data set into four equal parts.

• outliers

• average

• measures of variation

• quartiles

Extremely high or low values in a data set are called __________ .

• outliers

• median

• mode

• first quartile

The __________ is the number or numbers that occur most frequently in a data set.

• average

• mode

• quartiles

• mean

The __________ is the difference between the greatest and least data values.

• measures of center

• third quartile

• range

• outliers

__________ is a common term used to refer to the measure of central tendency otherwise known as the mean.

• measures of center

• mean absolute deviation

• quartiles

• average

Numbers called __________ can be used to describe the center of data.

• measures of center

• quartiles

• outliers

• range

The _________ is the median of the lower half of the set of data.

• median

• mean

• first quartile

• mode

The __________ of a set of data is the average distance between each data value and the mean.

• mean absolute deviation

• measures of center

• range

• outliers