Question

How to do expected frequency for chi^2 goodness fit test ​

Answer 1

How do you find the expected frequency in a chi square goodness of fit?
Pearson's chi-square goodness of fit test statistic is: - where Oj are observed counts, Ej are corresponding expected count and c is the number of classes for which counts/frequencies are being analysed.
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Chi-square Goodness of Fit Test.
Value Observed frequency Expected frequency
3 29 14.96
4 8 5.61

Answer 2

Step-by-step explanation:

So basically you're going to start with your (expected value - observed value) squared

(O-E)²

You're then gonna divide that by your expected value that you just used

(O-E)²/E