A t-test is only possible when we have a independent variable and a dependent variable. categorical; categorical interval/ratio; categorical categorical; interval/ratio interval; interval
A t-test is only possible when we have a independent variable and a dependent variable.
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categorical; categorical
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interval/ratio; categorical
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categorical; interval/ratio
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interval; interval
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Categorical variable:
The variable that consists of the attributes with different categories is termed as categorical variable. This variable is divided into two or more categories. It is also called as qualitative variable.
Interval level data:
It consists of ordered values and also contains an additional property of having equal distances or intervals between scores. It does not contain the absolute zero point. In this level of measurement differences of the numbers is meaningful.
Ratio level data:
It also consists of ordered values and equal distances or intervals between scores with the additional property that it contains absolute zero point in the values or scores. In this level of measurement ratio of the number is meaningful.
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