Question

Class 10 chapter 14 question question nine of 14.1

Answer 1

Answer: 69.43%.

Step-by-step explanation:

9. The following table gives the literacy rate (in percentage) of 35 cities. Find the mean literacy rate.

Ans.

From given data, Assume mean = 70, Width of the class = 10

Using formula, Mean =a + {(ΣfiUi)÷(Σfi)} × h

= 70 + 10 (– 0.057)

= 70 – 0.57

= 69.43

Hence mean literacy rate is 69.43%.

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