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Q. The Correlation coefficient between two variables is the………………..of their regression coefficients.

Q. The strength (degree) of the correlation between a set of independent variables X and a dependent variable Y is measured by

Q. The point of intersection of two regression lines is..........................

Q. Find the mean of 13,18,13,14,13,16,14,21,13

Q. The coefficient of correlation between the regression coefficients is:

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

Q. The method used to compute average or central value of the collected data is considered as

Q. If all the points of a scatter diagram lie on a straight line falling from left upper corner to the right bottom corner, the correlation is called...................

Q. If the quartile range is 24 then the quartile deviation is:

Q. Given Mean = 70.2 and mode = 70.5. Find the median using empirical relationship among them.