Question

How can you complete the box in the Image, It's like about Mean, Median, Mode but Grouped Data Please help me answer it

Answer 1

$multiply \: f \: coloumn \: with \: x \: coloumn$

$that \: would \: give \: you \: fx$

$multiply \: x \: coloumn \: with \: itself \:$

$that \: would \: give \: you \: {x}^{2 \: }$

$mutiply \: x \: coloumn \: with \: fx$

$that \: would \: give \: you \: f{x}^{2}$

$add \: all \: the \: oloumms \:$

$you \: would \: get \: total \:$

N is total items which is 5

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