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10 questions from this quiz
p≤0.05p \leq 0.05p≤0.05
No significant difference exists
Comparing observed vs expected frequencies
Number of categories - 1
Accept null hypothesis
More than 15
(n1+n2)−2(n_1 + n_2) - 2(n1+n2)−2
Comparing means of two independent groups
-1 to +1
Strong negative correlation
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