Question

the marks obtained by 13 student in mathematics are 58,70, 72,76 62,82 ,74,86 ,73,58, 76,70 ,64 find the mean​

Answer 1

Answer:

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Step-by-step explanation:

$\red{Mean = \frac{Sum \: \: of \: observations}{No. \: \: of \: \: observations}}$

$= \frac{58 + 70 + 72 + 76 + 62 + 82 + 74 + 86 + 73 + 58 + 76 + 70 + 64}{13} \\ \\ = \frac{921}{13} \\ \\ = 70.84$

Answer 2

Answer:

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Step-by-step explanation:

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