Question

find mean deviation of the following data about mean and median both​

Answer 1

Answer:

Mean deviation about the median = MD (M) = 1n ∑ni = 1fi| xi ∑ i = 1 n f i | x i - M | = 9350 = 1.86 cm. Therefore, the mean deviation about the median is equal to 1.86 cm.

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Mean Deviation about Median for Grouped Data.

Number of Trees Planted (Class interval) Number of Schools (fi)

25 - 45 8

45 - 65 14

65 - 85 20

85 - 105 6

Step-by-step explanation:

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