Statistics - revision

A …………………….. describes a particular quality or characteristics.

• Categorical variable

• Quantitive variable

Quantitive variables can be discrete or….

It is usually a result of counting

• Discrete variable

• Continuous variable

• Categorical variable

… are data values that are either much larger or much smaller than the general body of data.

The statistical name for arithmetic average of a data set is called the …

The … is the middle value of an ordered data set.

• mean

• median

• mode

Which statistic is affected by extreme values?

• mean

• median

• mode

The … is the difference between the maximum data value and the minimum data value.

• range

• variance

• interquartile range (IQR)

• standard deviation

The median divides the ordered data set into two halves, and these halves are divided in half again by the …