In a One-Tailed Significance Test for a Correlation Predicted to Be

question 33

Multiple Choice

In a one-tailed significance test for a correlation predicted to be positive,the null hypothesis is ______ and the alternative hypothesis is _____.

• A)   0; :  > 0
• B)  < 0;   0
• C)  = 0;  > 0
• D)  < 0;  > 0

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Definitions:

Standard Deviation

A measure of the dispersion or variability within a set of data points, indicating how spread out the data points are from the mean.

Null Hypothesis

A hypothesis used in statistics that proposes no significant difference or effect between specified populations, conditions, or variables.

Type II Error

A Type II Error occurs in hypothesis testing when a false null hypothesis is not rejected, meaning a real effect or difference was missed.

Null Hypothesis

A statement used in statistics that suggests there is no significant difference or effect, serving as the default assumption to be tested.