Components of (O-E)^2/E for a 2×2 table are computed as 1.20, 0.80, 1.50, 1.00.
What is the chi-square test statistic?
- A
3.50
- Bcheck_circle
4.50
- C
5.20
- D
2.00
Explanation
Sum the components: 1.20 + 0.80 + 1.50 + 1.00 = 4.50.
Carrying Out a Chi-Square Test for Homogeneity or Independence
AP Statistics· difficulty 4/5
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