Question: 3. Find the arithmetic mean, variance and standard deviation using the data below. Yr Rx Ry 19.00 9.65 2-5.00 -4.00 3 8.50 12.50 4

3. Find the arithmetic mean, variance and standard deviation using the data

3. Find the arithmetic mean, variance and standard deviation using the data below. Yr Rx Ry 19.00 9.65 2-5.00 -4.00 3 8.50 12.50 4 8.00 9.57

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