Which is a surface irrigation system?
The furrow system is a type of surface irrigation where water is run down small channels along the field.
For making frequency distribution, the number of classes used depends upon:
Identify, from the following, the moment used as a measure of skewness?
For the recorded observation, the coefficient of variation is 0.2 and the variance is 16. The arithmetic mean is:
For the variables X and Y, we collect 4 observations with ∑ X = 10,∑ Y = 14,∑ X2 = 30,∑ Y2 = 54,∑ XY = 31 The regressio...
These seventh decile (D7) of data set 4, 3, 10, 9, 1 is
60% of the employees of a company are college graduates. Of these, 10% are in sales. Of the employees who did not graduate from college, 80% are in sal...
Which of the following statements is INCORRECT?
The mean deviation from an average A will be minimum, if A represents: