Match

The total sum of the squared deviations of individual scores from the mean.

It only considers the two extreme data points, potentially providing a distorted picture of data spread.

Tells the reader whether the accompanying average is a good or weak representation of the data.

A measurement scale that has decimal points between absolute numbers, requiring bars to touch in a histogram.

The dependent variable must be measured on a continuous scale, such as interval or ratio.

Calculated as the maximum score plus 0.5, minus the minimum score minus 0.5.

Refers to how spread out individual scores are around the average in a dataset.