lean six sigma 4

If the calculated chi-square statistic is 15.3, which of the statements below is true given the following:
Critical value for the 0.05 significance level is 12.59
Critical value for the 0.01 significance level is 16.81
A The null hypothesis can be rejected at the chi-square critical value of 12.59 at the 0.05 level of significance, but not at the 0.01 level
B The null hypothesis can be rejected at both the .05 and .01 levels of significance
C The null hypothesis cannot be rejected because 15.3 is larger than the 0.05 critical value of 12.59
D The null hypothesis can only be accepted at any critical chi-square critical level

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