If Our Observations Are So Discrepant from the Expected Result

question 39

Multiple Choice

If our observations are so discrepant from the expected result that the difference cannot be attributed to chance,we will _____ the null hypothesis.

• A)accept
• B)reject
• C)revise
• D)restate

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Definitions:

Variability

The extent to which data points in a statistical distribution or data set diverge from the average or mean.

Criterion Variables

Outcome variables that are used to assess the effects of manipulations or treatments in an experiment.

Predictor Variables

Predictor variables are the independent variables in a study that are used to predict the outcome of the dependent variable(s).

Scatterplot

Graphic representation of each individual's scores on two variables. The score on the first variable is found on the horizontal axis and score on the second variable is found on the vertical axis.