A group of 8th graders has a mean weight of 108 lbs, standar…
A group of 8th graders has a mean weight of 108 lbs, standard deviation of 11 lbs. If a randomly chosen student weighs 126 lbs, would their weight be considered usual or unusual? 1. Calculate the z-score 2. State if the weight would be usual/unusual 3. Justify your answer.
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