find the mean of the following data x 5,10,15,20,25 and f 3,10,25
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Answer:
15.1
Step-by-step explanation:
Multiply x by f and add all the data
5*3+10*10+15*25+7*20+0*0
Add the frequency together
3+10+25+7+5+0
755/50 = 15.1
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