The value of Σfx is 300, A= 35, number of observations are 15 and wid – McqOptions

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1.	The value of Σfx is 300, A= 35, number of observations are 15 and width of class interval is 5 then arithmetic mean is
A.	135
B.	145
C.	150
D.	235
Answer» B. 145

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