3 years ago

Find the mean of the data set: 9 4 73 109

Mathematics

2 answers:

kakasveta [241]3 years ago

6 0

The mean is 7
hope this helped you!!

SpyIntel [72]3 years ago

5 0

I don’t understand how someone got the mean as seven... the mean is 48.75

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Step-by-step explanation:

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3 years ago

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OlgaM077 [116]

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Step-by-step explanation:

$\huge \frac{ {9}^{ \frac{1}{2}b } }{ {3}^{a} } \\ \\ = \huge \frac{ {( {3}^{2} )}^{ \frac{1}{2}b } }{ {3}^{a} } \\ \\ = \huge \frac{ { {3}}^{2 \times \frac{1}{2}b } }{ {3}^{a} } \\ \\ \huge = \frac{ {3}^{b} }{ {3}^{a} } \\ \\ \huge = \frac{1}{ {3}^{a - b} } \\ \\ \huge= \frac{1}{ {3}^{2} } \\ ( \because \: a - b = 2)\\ \\ \huge = \frac{1}{ 9 }$

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