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Q. If there is a very strong correlation between two variables then the correlation coefficient must be:

Q. A coefficient of correlation is computed to be -0.95 means that

Q. The arithmetic mean is 12 and the number of observations are 20 then the sum of all the values is

Q. play a very important part in the construction of index nos

Q. The sum of squared deviations is minimum when taken from:

Q. Half of the difference between upper and lower quartiles is called:

Q. In constructing index number geometric mean relatives are:

Q. What is the modal value for the numbers 4, 3, 8, 15, 4, 3, 6, 3, 15, 3, 4.

Q. In the quartiles, the central tendency median to be measured must lie in

Q. Find the mode of 8, 5, 7, 10, 15, 21, 5, 7, 2, 5