1.

The mean and variance of 7 observations are 8 and 16, respectively. If 5 of the observations are 2, 4, 10, 12, 14, find the remaining 2 observations. Or Calculate the mean deviation about the mean of the following data. Classes10−2020−3030−4040−5050−6060−7070−80Frequency23814832

Answer» The mean and variance of 7 observations are 8 and 16, respectively. If 5 of the observations are 2, 4, 10, 12, 14, find the remaining 2 observations.

Or

Calculate the mean deviation about the mean of the following data.

Classes1020203030404050506060707080Frequency23814832


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