For the equations 2x-y=5;3x+2y=-3; The values of x and y are

Related MCQs

• When the values of two variables move in the same direction, correlation is said to be ............................
• When the values of two variables move in the opposite directions, correlation is said to be ............................
• The algebraic sum of the deviations of a set of a n values from their arithmetic mean is
• The sum of the squares of the deviations of the values of a variable is least when the deviations are measured from
• 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:
• The techniques which provide the decision maker a systematic and powerful means of analysis to explore policies for achieving predetermined goals are called..........................
• A high degree of +ve correlation between availability of rainfall and weight of weight of people is:
• The –ve sign of correlation coefficient between X and Y indicates.............................
• If bxy and byx are two regression coefficients, they have:
• If X and Y are independent, the value of byx is equal to ........................