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Q. In regression equation y=a+βx+e, both x and y variables are

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

Q. A Scatter diagram is considered for measuring

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

Q. The range of the values -5, -8, -10, 0, 6, 10 is:

Q. If all the scores on examination cluster around the mean, the dispersion is said to be:

Q. If one of the regression coefficients is greater than unity, the other must be:

Q. Find the mode of 8, 5, 7, 10, 15, 21, 5, 7, 2, 5

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