The elements that are required in larger amount i.e. more than 1 ppm, are referred to as
Major nutrients : required in larger amount i.e. more than 1 ppm.
For frequency distribution presentation , which option is wrong.
By the method of moving averages, the seasonal index for four quarters equals to:
Using the method of semi-averages, secular trend is measured when:
28 If r ₁₂ = +0.80, r13 = -0.40 and r23 = -0.56, then the square of multiple correlation coefficient (correct to four decimal places) R2...
Which of the following is the most relevant for deriving a point estimate?
If mean and mode of the distribution is 32 and 21, then the distribution:
If xi | fi , i = 1,2,...n is a frequency distribution with standard deviation 15 and mean 30, the coefficient of variation will be equal to:
If the multiple correlation coefficient of X1 on X2 and X3 is zero, then:
The mean deviation from an average A will be minimum, if A represents: