86 下表為 100 名婦女在懷孕前後吸菸的狀況:
試問下列何種統計檢定法可以用來檢定懷孕是否會改變婦女的吸菸行為?
(A) Pearson’s χ2 test
(B) Test for the difference between two proportions
(C) McNemar’s χ 2test
(D) Test for Goodness-of-fit
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統計: A(3), B(4), C(18), D(0), E(0) #1177209
統計: A(3), B(4), C(18), D(0), E(0) #1177209