Measures of Center and Spread 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

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

• average

• mode

• quartiles

• mean

__________ 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

What measure of center is best to use when we have outliers?

• mean

• median

• mode

• range

A class scored 83,83,87,87,88,88,91,94,95,96,98,100,100 on a test, but then a student scored a 28.

The mean will ​ (a)  

The median will ​ (b)  

The ​ (c)   is the best measure of center for this data.

• decrease

• increase

• stay the same

• go up

• go down

• median

• mean

Which statement below is true about the given table of student heights in inches?

• Group A has a larger mean and a larger standard deviation.

• Group B has a larger mean and a larger standard deviation.

• Group A has a larger mean and a smaller standard deviation.

• Group B has a larger mean and a smaller standard deviation.

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

• measures of center

• quartiles

• outliers

• range

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

__________ are used to describe the distribution, or spread, of the data.

• third quartile

• median

• measures of variation

• quartiles