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.

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

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

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

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

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