Examlex
You ask 5 people to indicate the extent to which they agree or disagree with a statement regarding the legalization of marijuana.You get the following set of scores: 2,3,4,5,5.What is the estimated standard error of the mean for this set of scores?
Test Statistic
A calculated value from sample data used to decide whether to reject the null hypothesis in statistical hypothesis testing.
P-Value
A p-value is a statistical measure that helps researchers determine the significance of their experimental results by indicating the probability of obtaining the observed data, or something more extreme, if the null hypothesis is true.
Qualitative Variables
Variables that express categorical data and can be classified into groups or categories based on attributes or qualities, rather than numbers.
Chi-Square Test
A statistical method designed to test the significance of the connection between two categorically distinct variables.
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