Question: (a) Verify that x = 772.9 and x2 = 5876.6. (b) Compute the sample variance, sample standard deviation, and coefficient of variation for the given

(a) Verify that ∑x = 772.9 and ∑x2 = 5876.6.
(b) Compute the sample variance, sample standard deviation, and coefficient of variation for the given data. Is the sample standard deviation small relative to the mean pH?

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