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Q. ------ is used in averaging rates , times etc

Q. ----- is a geometric method of measuring variability

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

Q. Statistics helps in

Q. Fishers ideal index formula satisfies ---- test

Q. In standard deviation, deviations are measured from

Q. Find range from the following values 23 32 85 32 42 10 20 18 28

Q. Short cut method for calculating arithmatic mean also known as

Q. Which divides the value of a variable into two equal parts?

Q. ---- are specialized type of averages