Question

Calculate the simple arithmetic mean:30,50,150,170,
90

Answer 1

Answer:

mean = 30+50+150+170+90

——————————

5

mean = 490÷5

= 98

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Answer 2

Answer :

Given :

• Values = 30, 50, 150, 170, 90

To Find :

• Simple arithmetic mean

Solution :

• $\small \sf Mean \:=\: \dfrac{Sum\:of\:all\:the\:observations}{Total\:number\:of\:observations}$

$\implies \small \sf Mean \:=\: \dfrac{30\:+\:50\:+\:150\:+\:170\:+\:90}{5}$

$\implies \small \sf Mean\:=\: \dfrac{490}{5}$

$\implies \large{\underline{\sf{\red{Mean\:=\:98}}}}$

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