 
			 
			MCQOPTIONS
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				| 1. | The value of Σfd is 165, A= 25, and width of class interval is 10, arithmetic mean is 145 then the number of observations are | 
| A. | 35 | 
| B. | 36 | 
| C. | 34 | 
| D. | 32 | 
| Answer» C. 34 | |