Directions (1 - 4) The following bar chart gives the growth percentage in the number of households in middle, upper-middle and high-income categories in the four regions for the period between 1987-88 and 1994-95.
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1.
Which region showed the highest growth in number of households in all the income categories for the period ?

2.
What was the total household income in northern region for upper-middle class ?

3.
What is the percentage increase in total number of households for the northern region (upper-middle) over the given period ?

4.
What was the average income of the high-income group in 1987-88?