Question

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Find the mean of the data ; 10,25,9,4,75,8,2.65,12,2.35.​

Answer 1

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Mean = $\huge\frac{sum\: of\:all\:observations}{total\:no.of\: observation}$

=$\huge\frac{10+25+9+4+75+8+2.65+12+2.35}{7}$

=$\huge\frac{49}{7}$

= 7.