Question

solve graphically method of mean by direct mean method​

Answer 1

Step-by-step explanation:

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Answer 2

$\sf \:Mean = \: \frac{\sum{fixi}}{\sum{fi}} \\ \\ \sf\:\:\:\:\:\:\:\: = \frac{ \cancel{196}^{ \: \cancel{98}}}{ \cancel{20}^{ \: \cancel{10} \: ^{5} }}^{49} \\ \\ \sf = \frac{49}{5} \\\\ \sf = 9.8$