Question: If the standard deviation (s) of a sample data = 5, (n) = 25, and mean (x) = 50: 61. What is the variance (s2

If the standard deviation (s) of a sample data = 5, (n) = 25, and mean (x) = 50: 61. What is the variance (s2 ) of the sample data? a. 5 b. 25 c. 50 d. 10 e. 100 BA-3933: Business Statistics, Quiz-1 Fall 2021 Instructor: Dr Nayyer (Nick) Naseem 12 | P a g e 62. What is the standard error (S.E.) of the mean? (S.E. = s / n) a. 5 b. 1 c. 2 d. 3 e. 4 63. What is the coefficient of variation? (Coefficient of variation = (s / x) * 100 a. 50% b. 10% c. 20% d. 30% e. 40%

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