Assuming you have data for a variable with 2,000 values, using the 2K > n guideline, what is the smallest number of groups that should be used in developing a grouped data frequency distribution? O a k = 9 O b k = 11 O c k = 12 O d k = 10

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A: Solution: Given information: Test statistic χ2=23.75 P value = 0.0006

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