what is direct mean method
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it is a simple method
Step-by-step explanation:
direct method means adding all the frequencys considering it as sigma fi and then finding xi the middle term of the class interval and then multiplying fi×xi weget sigma fixi and then by dividing signa fixi /sigma fi we get an answer
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Answered by
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Answer:
I hope this answer may helpful to you
Step-by-step explanation:
in this method we have to find the class mark xi
xi = lower limit+upper limit/2
After that find the product fixi
Use the formula mean (x)=£fixi/£fi
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