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The following data gives the value (in crores of rupees) of the Indian export of cotton textiles for different years. By Indicate with the help of a bar graph the year in which the rate of increase in exports is maximum over the preceding year.

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1983-1984

1984-1985

1985-1986

1986-1987

answer is D.

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Detailed Solution

Given a data about cotton export.
Question Image

Consider the years along the horizontal x-axis and the value of export of cotton textiles (in crores of rupees).
Create rectangles with the relevant frequencies as the heights

(y − a x i s)

and class intervals as the bases

(x − a x i s)

. The bar graph is:
Question Image

From the graph, the rate of increase in exports is maximum in the year

1986 − 87

.
Hence, option 4) is correct.

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