Statistic Vocabulary

The most common value in a set of data. Can be more than one number.

A measure of variability based on dividing a data set into quartiles. Calculated by subtracting the first quartile from the third quartile.

The average distance between each data value and the mean. This is used to describe variation in a data set. It also helps us get a sense of how "spread out" the values in a data set are.

The largest number in a data set is referred to as the ______.

• min

• max

• median

• mean

The smallest value in a data set is referred to as the _______.

• min

• max

• mean

• median

The ____________ is equal to the standard deviation squared.

• standard deviation

• range

• variance

• maximum value

The middle value in a data set when the numbers are listed in order is referred to as the ________.

• mean

• median

• mode

• center

The following symbol represents what?

• the sample mean

• the population mean

• the sample standard deviation

• the population standard deviation

• the sample size

The following symbol represents what?

• the sample mean

• the population mean

• the sample standard deviation

• the population standard deviation

• the sample size

The following symbol represents what?

• the sample mean

• the population mean

• the sample standard deviation

• the population standard deviation

• the sample size