They are related but one might not be causing the other
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they are related, but one might not be causing the other.
When comparing large data sets.
ANOVA test null hypothesis is the means among two or more data sets are equal.
When you are talking about data that is not continous. When you are talking about data that is not continous.
It is possible for two sets of data - not ALL of which are the same - to have the same measures of central tendency. However, if the two sets do have a mode, then that number must appear in both sets ... several times.