Two matrices A and B are multiplied to get AB if,

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• Two matrices A and B are multiplied to get AB if
• Two matrices A and B are multiplied to get AB if
• The total current year prices for the various commodities in question is divided by the total of base year prices and the quotient is multiplied under
• If two events A and B are mutually exclusive the probability of the occurrence of either A or B is the sum individual probability of A and B. This theorem is called:
• If bxy and byx are two regression coefficients, they have:
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• The G M of two regression coefficients byx and bxy is equal to ..........................
• The regression coefficient and correlation coefficient of the two variables will be the same if their .............................are same.
• Testing of hypothesis and ......................are the two branches of statistical inference.
• The geometric mean of the two regression coefficient, bxy and byx is equal to: