The mean of the 25 plasma volumes is 12.5 litres. Standard detion is 0.25. Calculate Variance:-
Correct Answer: 0.0625
Description: - Standard detion = square root of variance Variance = (S.D X S.D) - Given SD = 0.25 - Thus, Variance = 0.25 x 0.25 = 0.0625
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