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Q. Cyclical variations are caused by

Q. The sample coefficient of correlation

Q. Find the mode of the Set = {1,3,3,6,9}

Q. The cumulative frequency for a particular class is equal to 35. The cumulative frequency for the next class will be .

Q. The regression coefficient of X on Y is:

Q. The mean deviation is minimum when deviations are taken from:

Q. In a regression analysis if r2 = 1, then :

Q. The measure of dispersion which uses only two observations is called:

Q. The measures used to calculate the variation present among the observations in the unit of the variable is called:

Q. The of group indices given the General Index