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Q. While computing a weighted index, the current period quantities are used in the:

Q. The regression coefficients re independent of change of origin but:

Q. If each observation of the data is increased by 5, then what happens to its mean?

Q. The maximum value of the Rank Correlation coefficient is

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. In the class intervals 40 – 50, 50 – 60, the number 50 is included in which of the following?

Q. The mean weight of 150 students in a class is 60 Kg. The mean weight of Boy students is 70 Kg and that of a girl students is 55 kg. Find the number of Boys and Girls in the class.

Q. A complete business cycle consists of a period of:

Q. One of the following methods of calculating mode is:

Q. Factor Reversal test is satisfied by: