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Chi-square Test of Goodness of Fit:

A person randomly selected 100 checks and recorded the cents portions of those checks. The table below lists those cents potions categorized according to the indicated values. Use a 0.10 significance level to test the claim that the four categories are equally likely. The person expected that many checks for whole dollar amounts would result in a disproportionately high frequency for the first category, but do the results support that expectation?

Cents portion of check 0-24 25-49 50-74 75-99
Number 59 16 13 12

Test statistic is?
Critical Value is?
P-value is?
Conclusion is?

Solution Preview

The null hypothesis tested is
H0: The four categories are ...

Solution Summary

The solution provides step by step method for the calculation of chi square test for goodness of fit. Formula for the calculation and Interpretations of the results are also included. Interactive excel sheet is included. The user can edit the inputs and obtain the complete results for a new set of data.