Question

In the assumed mean method, if A is the assumed mean, then find deviation d.

Answer 1

Answer:

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Answer 2

D=Mean -- mid value of the assumed class

D=Mean -- mid value of the assumed classClass midx f D

D=Mean -- mid value of the assumed classClass midx f D10to20 15 8 15-28= - -13

D=Mean -- mid value of the assumed classClass midx f D10to20 15 8 15-28= - -1320 TO 30 25 12 25-28= -3

D=Mean -- mid value of the assumed classClass midx f D10to20 15 8 15-28= - -1320 TO 30 25 12 25-28= -330to 40 35 6 35-28=7

D=Mean -- mid value of the assumed classClass midx f D10to20 15 8 15-28= - -1320 TO 30 25 12 25-28= -330to 40 35 6 35-28=7Mean = 28

D=Mean -- mid value of the assumed classClass midx f D10to20 15 8 15-28= - -1320 TO 30 25 12 25-28= -330to 40 35 6 35-28=7Mean = 28Assumed mean =25 mid value of the class which has highest frequency ie 20 to 30