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

Q. The sum of squared deviations is minimum when taken from:

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

Q. If the regression line is Y on X, then the variable X is known as..........................

Q. The smaller the variance the less spread of the data around the mean

Q. The value of β2 can be:

Q. What is the median of 33, 86, 68, 32, 80, 48, 70?

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

Q. The measures used to calculate the variation present among the observations relative to their average is called:

Q. The degree of peaked ness or flatness of a unimodel distribution is called: