Stats II Exam 1

Kurtosis is the symmetry of a distribution.

What does N represent in equations?

IVs and DVs occur in correlation studies

Multivariate statistics compare up to three variables.

There are ___ IV(s) and ___ DV(s) in multivariate statistical methods.

Skewness and kurtosis are calculated using the same formula.

How can normality be demonstrated?

___ is simply the raw score minus the population mean, divided by the population standard deviation

Univariate statistics...

A z-score tells you where the score lies on a normal distribution curve.

The ___ variable is the predictor, while the ___ is the outcome or criterion.

What is a Type I error?

In an expected probability plot, deviations from the diagonal are plotted.

There are ___ IV(s) and ___ DV(s) in univariate statistical methods.

Skewness is the peakedness of a distribution.

IVs and DVs occur in experiments

Bivariate statistics ___ two variables.

There are ___ IV(s) and ___ DVs in bivariate statistical methods.

What does statistical power refer to?