The value of Σfx is 180, A= 22, and width of class interval is 5, ari – McqOptions

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1.	The value of Σfx is 180, A= 22, and width of class interval is 5, arithmetic mean is 120 then the observations are
A.	59
B.	30
C.	39.5
D.	49.5
Answer» C. 39.5

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