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What does it mean to say the difference between the means of group a and b is statistically significant?
Wiki User
∙ 12y ago
There is an established statistical point for most comparisons or measurements that is so small that differences at or below it are considered to be "random", "predictable", or "meaningless". If a difference between A and B exceeds this point, it is said to be "significant", which does not necessarily mean "important" or "huge" - just "significant".
Wiki User
∙ 12y ago
Gontse Jessica Nkadi...
what is the effect size calculated to determine
Khalid Waters
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