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Q. Q . D is ---- of more algebraic treatment

Q. Standard deviation of a series can have minimum value of -----

Q. The arithmetic mean of a variable ‘x’ is denoted by the symbol.

Q. ---- is a set of values arranged in chronological order

Q. Measures of dispersion are statistical devices to measure the ----- in a series

Q. Find mode of the following series 2 3 4 3 4 3 5 3 7

Q. In standard deviation, deviations are measured from

Q. When the frequency curve is more peaken than normal curve it is called

Q. What is the Mean for the following observation ; 3,4,6,7,10

Q. In ---- signs are ignored