AP Statisticshardmcq1 pt
In a goodness-of-fit test with expected counts 50, 50 and observed 60, 40, the χ-square statistic is
A.4
B.2
C.20
D.10
Explanation
Core Concept
(60 - 50)^2/50 plus (40 - 50)^2/50 equals 2 + 2.
Correct Answer
A4
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