Chi square fitness= Its a test applied to a single categorical variable from two different populations. is used to determine whether frequency counts are distributed
identically across different populations.
-The sampling method should be random sampling
Homogenity Test-can be used to make a conclusion about whether two
populations have the same distribution.
-The population sample must be the same
-All values in the table must be greater than or equal to
The two populations follow the same
The two populations have different
IIndependent Test: Use the Test for Independence when
you want to decide whether two variables are independent or dependent.
In this case there will be two qualitative survey questions or experiments
and a contingency table will be constructed. The goal is to see if the
two variables are unrelated (independent) or related (dependent). The
null and alternative hypotheses are:
The two variables are independent.
The two variables are dependent.
May 11th, 2015
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