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Hypothesis Testing - Coggle Diagram
Hypothesis Testing
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Continuous/Variable
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2-sample T test: Used when comparing means. Compares the means between two samples of the different x factors
1-Sample T test (paired T test): used when comparing means. Smaller samples or when standard deviation is known.
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Error
Type I Error: The null hypothesis is accepted when it is actually false. Called producer risk. Alpha is a probability between 0 and 1.
Type II Error: The null hypothesis is accepted when it is false. Called consumer risk. Beta is a probability between 0 and 1.
Discrete/Attribute
1-Proportion test: used when there us only one factor for x. When there is one level of interest for x.
2-Proportion test: used when there us only one factor for x. When there are two levels of interest for x.
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P-Value: the number used to compare to the alpha value to determine whether or not to reject the null hypothesis.