Compute the range and variance and standard deviation

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1. The height of 10 plants is measured in inches and found to be 12, 6, 15, 3, 12, 6, 21, 15, 18 and 12. Verify that

Σ(Xi – X) = 0

 

2. For the data in the previous problem, compute the range, variance and standard deviation.

Reference no: EM131399788

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