Describing Data

The median is the __________________ number (after you put them in order).

• first

• middle

• last

• one you see most

The _______________________ is the number that occurs most often in a data set.

• Mean

• Median

• Mode

• IQR

The _______________________ is what you get when you subtract the lowest value from the highest.

• Range

• IQR

• Q3

• Q1

A data value that is much higher or much lower than the other values in a data set.

• outlier

• inlier

• immalier

• sublier

Which statement is true?

• The freshman class has LESSER MEAN number of cans donated than the sophomore class.

• The freshman class has THE SAME MEDIAN number of cans donated than the sophomore class.

• The freshman class has GREATER MEAN number of cans donated than the sophomore class.

• The freshman class has GREATER MEDIAN number of cans donated than the sophomore class.

Answer explanation

The "MIDDLE" for the freshman class is further to the left, so the freshman MEDIAN IS LESS than the sophomore median.

Which statement is true?

• The freshman class has LESSER MEAN number of cans donated than the sophomore class.

• The freshman class has THE SAME MEDIAN number of cans donated than the sophomore class.

• The freshman class has GREATER MEAN number of cans donated than the sophomore class.

• The freshman class has GREATER MEDIAN number of cans donated than the sophomore class.

Answer explanation

The "MIDDLE" for the freshman class is further to the left, so the freshman MEDIAN IS LESS than the sophomore median.

In a data display, this is a break, space, or opening between values where no value occurs.

• gap

• hole

• symmetric

• peak

Describing the shape of a data set that is a mirror image one both sides of the center point.

• symmetrical

• unimodal

• skewed

• uniform

A way to describe the shape of a data display that has two modes or peaks.

• unimodal

• bimodal

• multimodal

• uniform

Describing the shape of a data set that has the same values across the entire display.

• symmetric

• unimodal

• skewed

• uniform