Measures of variability

Positively skewed

Correlation statistics?

Median

Curve smoothing

Mean

Standard deviation

Range?

Attenuated standard deviation

Grouped frequency distribution

Central tendency

Negatively skewed

Descriptive statistics

Mode 

Inferential statistics

Involves guessing within the bounds of what is known.?

Graphical displays or common statistics that help to describe and understand data.

When a distribution has a lot of low scores.

Arithmetic average of a set of scores.?

Scores are grouped into convenient class intervals.?

Help predict human behaviors and reach likely conclusions.?

Distance between the highest and lowest scores in a distribution.

Middlemost score.

Unbiased estimate.?

Tells what the distribution looks like as scores away from the middle are explored.

Reveal how strongly two sets of scores are related.?

When a distribution has a lot of high scores.

Most frequently occurring score in a set of scores.?

Gives an idea of what the center or middle of a distribution looks like.?

Square root of the variance.?