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Q. If m is the correlation coefficient, then the quantity (1-m2) is called ......................

Q. If plotted points in a scatter diagram lie on a straight line vertical to the Y-axis, then r=.........

Q. If two sets have no common element, they are called ....................

Q. Study of correlation between two sets of data only is called ..............................

Q. When X follows binomial distribution, P(X=0) is.........................

Q. Two events are said to be independent if ........................

Q. If two independent random variables follow binomial distribution, their sum follows..............

Q. Product moment correlation was developed by .......................

Q. Dependent variable is also called ............................

Q. Chance Nodes are represented by __________