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10 questions from this quiz
One occurring doesn't affect the other
P(A and B)=P(A)×P(B)P(A \text{ and } B) = P(A) \times P(B)P(A and B)=P(A)×P(B)
The two events are independent
5
(O−E)2E\frac{(O - E)^2}{E}E(O−E)2
(rows−1)×(columns−1)(rows - 1) \times (columns - 1)(rows−1)×(columns−1)
χcalc2>χcrit2\chi^2_{calc} > \chi^2_{crit}χcalc2>χcrit2
When r=1r = 1r=1
(∣O−E∣−0.5)2E\frac{(|O - E| - 0.5)^2}{E}E(∣O−E∣−0.5)2
Combine columns
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