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Q. Index number calculated by Fisher's formula is ideal because it satisfy:

Q. The value of the correlation coefficient lies between

Q. The trend line Y=a+bX obtained by the least Squares method is known as the line of

Q. In a moderately asymmetrical distribution, the mode and mean are 32.1 and 35.4 respectively. Calculate the median.

Q. The measurements of spread or scatter of the individual values around the central point is called:

Q. The additive and multiplicative time series models are:

Q. In a bivariate distribution, Spearman’s Coefficient of Correlation is -0.25. If the sum of the squares of various ranks is 150, find out the number of pairs of items:

Q. In regression analysis, the variable that is used to explain the change in the outcome of an experiment, or some natural process, is called:

Q. If the sum of deviations from median is not zero, then a distribution will be:

Q. What are the method of collecting Primary Data