In a chi-square goodness-of-fit test, what does the following mathematical statement yield?
\(\style{font-family:'Times New Roman'}{\sum_{i=1}^k\frac{(n_i-e_i)^2}{e_i}}\)\(\style{font-family:Arial}{Error: Object reference not set to an instance of an object.}\)
where\(\style{font-family:Times New Roman;}{e_i=np_i}\).
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the critical value
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the test statistic
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the distribution center
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the expected value