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In a retail market, fruit vendors were selling oranges kept in packing baskets. These baskets contained varying number of oranges. The following was the distribution of oranges. 

Find the mean number of oranges kept in each basket. Which method of finding the mean did you choose?

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Here we use step deviation method where a = 135, h = 5,a multiple of all di 

\(\overline{x}= a+(\frac{\Sigma f_iu_i}{\Sigma f_i})\times h\)

= 22 + \(\frac{25}{400}\) × 5

= 22 + 0.31 

= 22.31

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