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Following information pertains to the daily income of 150 families. Calculate the arithmetic mean.Income (in Rs)Number of familiesMore than 75150More than 85140More than 95115More than 10595More than 11570More than 12560More than 13540More than 14525

Answer»

Following information pertains to the daily income of 150 families. Calculate the arithmetic mean.

















































Income (in Rs)



Number of families



More than 75



150



More than 85



140



More than 95



115



More than 105



95



More than 115



70



More than 125



60



More than 135



40



More than 145



25






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