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Q. An event whose occurrence is impossible, is called ......................

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

Q. Probability of sample space of a random experiment is ............................

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

Q. For a binomial distribution with probability p of a success and of q of a failure, the relation between mean and variance is .............................

Q. An approximate relation between MD about mean and SD of a normal distribution is ............................

Q. Probability distribution is also called theoretical distribution.

Q. The signs of regression coefficients will be .......................

Q. If the sign of regression coefficient bxy is negative, then the sign of regression coefficient byx will be ........................

Q. Scatter diagram is also called ...................................