1.

a Find the mode of the following dataclass 100-150 150-200 200-250 250-300 300-350 350-400 400-450frequency 2217.201837 41(QR3025

Answer»

class mid point frequency100-150 125 22150-200 175 30200-250 225 37250-300 275 41300-350 325 25350-400 375 20400-450 425 18

mode=(125×22+175×30+225×37+275×41+325×25+375×20+425×18)/(22+30+37+41+25+20+18)=263.60



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