Chi Square Test Example Problems. Calculate the effect size. S 2 sample variance sigma 0 2 hypothesized population variance.
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S 2 sample variance sigma 0 2 hypothesized population variance. E each expected value. 6 expected number is.
Chi n 1 2 frac left n 1 right s 2 sigma 0 2 where.
Our second example illustrates how chi square can be used in testing the accuracy of machines. This is the formula for chi square. Doctors scientists engineers and those in ship operations are the safest with about a 5 fatality rate. σ means to sum up see sigma notation o each observed actual value.
