Question

Pls answer this question

Answer 1

Step-by-step explanation:

itis very easy just do the arithmetic mean.....

(48+49+50+51+52)/5

250/5

=50kg..

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Answer 2

$\Huge{\boxed{\sf{\green{AnSwEr:}}}}$

$\Large{\boxed{\sf{\orange{C) \: 50.4 \: kg}}}}$

$\Huge{\boxed{\sf{\red{ExPlanAtion:}}}}$

$\boxed{\sf{X_{i} \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: F_{i} \: \: \: \: \: \: \: \: \: \: \: \: F_{i }X_{i}}} \\ \boxed{\sf{48 \: kg \: \: \: \: \: \: \: \: 6 \: \: \: \: \: \: \: \: \: \: \: 288 \: kg }} \\ \boxed{\sf{49 \: kg \: \: \: \: \: \: \: \: 8 \: \: \: \: \: \: \: \: \: \: \: 392 \: kg}} \: \\ \boxed{\sf{50 \: kg \: \: \: \: \: \: \: \: 9 \: \: \: \: \: \: \: \: \: \: \: 450 \: kg }} \: \\ \boxed{\sf{51 \: kg \: \: \: \: \: \: \: 14 \: \: \: \: \: \: \: \: \: \: 714 \: kg}} \: \\ \boxed{\sf{52 \: kg \: \: \: \: \: \: \: 13 \: \: \: \: \: \: \: \: \: \: 676 \: kg}} \: \\ \boxed{\sf{ \: \sum \: F_{i} = 50 \: \: \: \: \sum F_{i }X_{i} = 2520\: kg \: \: \: \: \: \: \: }}$

$\sf{ mean \: = \: \frac{ \sum \: fixi}{ \sum \: fi} }$

$\sf{ = \frac{2520}{50} }$

$\sf{ = 50.4 \: kg}$

Thus, C) 50.4 kg is the correct answer.

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