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Q. According to ---- method original data are plotted on graph

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

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

Q. Cyclic variation Occur at intervals of more than ---- year

Q. Measures of central tendency is also known as measures of ……………

Q. ---- is the half distance between the third and first quartiles

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

Q. ----- is the difference between highest and lowest values in a series

Q. Range =-----

Q. ---- serves as an economic barometer