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a criket ball manufacturing companey wants to check the weight of the balls for this, 25 samples each of size 4, are selects and the weght of each ball is measured(in gm) the sum of sample ranges...

Cans of regular Coke are labeled as containing 12 oz 12 oz . Statistics students weighed the contents of 7 7 randomly chosen cans, and found the mean weight to be 12.12 12...

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