000 knobs are checked for defectiveness and the following information is obtained. Def knobs 0123456 or more Number 19434426613746103 The chi square test statistic for the testing the null hypothesis that the number of defective knobs follows a distribution in e) above is given by A. 3.43 B. 4.23 C. 2.13 D. 7.56 E. None of the above are correct 10: 18

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