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Q. Fisher’s formula satisfies ---- test

Q. ---- are known as averages of first order

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Q. Graphical method of measuring variability is first used by

Q. Measures of dispersion are called averages of ----- order

Q. ----- is the value of item of a series which occurs most frequently

Q. Geometric mean considered to be the best average in the construction of ……

Q. -----is not a patrician value

Q. Square of Standard Deviation is known as

Q. Now a days the use of statistics is extended to various fields such as ………….