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Q. .................................is the reverse process of differentiation

Q. If a constant 30 is subtracted from each of the value of X and Y , the regression coefficient is ..........................

Q. When two events cannot occur together is called ........................

Q. An analysis of the covariance between two or more variables is called ..............................

Q. Correlation analysis is a ............................analysis.

Q. If all the points of a scatter diagram lie on a straight line falling from the lower left-hand corner to the upper right-hand corner, the correlation is said to be ..........................

Q. Spearman’s coefficient of correlation is usually denoted by .................

Q. Index numbers are

Q. The height of persons in a country is a .......................... random variable.

Q. Which of the following are the advantage/s of Decision Trees?