in 100 numbers,fours are 20,fives are 40,sixes are 30, remaining are 10 find the mean
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Step-by-step explanation:
the arithmetic mean of 20 fours , 40 fives , 30 sixes, and 10 tens is
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Step-by-step explanation:
= 20×4+40×5+30×6×10×10÷100 =80+200+180+100÷100 =560÷100 =5.6 is the answer
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