romaine5685 romaine5685
  • 06-04-2024
  • Mathematics
contestada

Let mean and variance of 6 observations a, b, 68, 44, 40, 60 be 55 and 194. If a > b then find a + 3b
a. 211.83
b. 201.59
c. 189.57
d. 198.87

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