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

Q. Normal distribution is ......................

Q. A set of events are said to be ...................... , if the occurrence of one of them excludes the possibility of the occurrence of the other.

Q. When probability is revised on the basis of all the available information, it is called .............

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

Q. Probability distribution is also called theoretical distribution.

Q. ................................is the geometric mean of two regression coefficients.

Q. When the values of two variables move in the opposite direction, correlation is said to be……

Q. The area under the standard normal curve beyond the line z = ±1.96 is ...............................

Q. The signs of correlation coefficient and regression coefficient are ............................