Question

mean of 8,7,9,3,4,6,5,7,2,21
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Answer 1

Answer:

7.2

Step-by-step explanation:

8 + 7 + 9 + 3 + 4 + 5 + 7 + 2 + 21 = 72

72 / 10 (because there are 10 numbers in the list ) = 7.2

Answer 2

$\bf\blue{\underline{\boxed{Question}}}$

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$\small\rm{Mean\:of}\\{\small\rm{\:=\:8+7+9+3+4+6+5+7+2+21}}$

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$\bf\blue{\underline{\boxed{Solution}}}$

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$\small\tt{Mean\:=\:{\frac{Sum\:of\:Total\: numbers}{Total\:numbers}}}$

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$\small\tt{Mean\:=\:{\frac{8+7+9+3+4+6+5+7+2+21}{10}}}$

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$\small\tt{Mean\:=\:{\frac{72}{10}}}$

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$\small\tt\red{\underline{\boxed{Mean\:=\:7.2}}}$

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$\bf\blue{\underline{\boxed{Hope\:It\: Help\:You}}}$