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Find the mean of the data; 10.25, 9, 4.75, 8, 2.65, 12, 2.35

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Find the mean of the data; 10.25, 9, 4.75, 8, 2.65, 12, 2.35

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A.M. = Sum of the observations / Number of the observations

\(\overline {X}\)  = \(\cfrac{\sum X_i}{N}\)

  = \(\cfrac{10.25\,+\,9\,+\,4.75\,+8 \,+\,2.65\,+\,12\,+2.35}{7}\)

= \(\cfrac{49}{7}\)

\(\overline {X}\) = 7

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