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Q. Let the coefficient of determination computed to be 0.39 in a problem involving one independent variable and one dependent variable. This result means that:

Q. Following are the Relative measures of dispersion except

Q. The coefficient of determination must be

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. In the regression equation Y = 75.65 + 0.50X, the intercept is

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

Q. The averages are affected by change of:

Q. In a bivariate distribution, Spearman’s Coefficient of Correlation is -0.25. If the sum of the squares of various ranks is 150, find out the number of pairs of items:

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

Q. The variate values which divide a series into ten equal parts are called: