Question 21.
Which of the following statements, about the average monthly incomes of the 10 cities, as represented in the plots, is DEFINITELY FALSE?
Question Explanation
Option A: average gender gap of the 10 cities in 2005 = 11.25.
average gender gap of the 10 cities in 2015 = 7.75. The average in 2015 is less than in 2005.
Option B: Median of men's income in 2005 = 32.5
Median of women's income in 2005 = 22.5
Median of men's income in 2015 = 32.5
Median of women's income in 2015 = 22.5
Median of men's income is higher than median of women's income in both the years.
Option C: The average men's income in all 10 cities in 2005 is more than or equal to 30,000.
So, there is no way for the average to be less than Rs. 30,000.
So, option C is false.
Option D: We can clearly see that the average monthly income of men in 2005 in 6 cities is more than that in 2015 which satisfies the given statement.
Option E: There are some cities where the average income for women is less than Rs. 22,000.
Since the population can be more in those cities, we can't say if the average income of women is less than Rs. 22,000. So, there is a case for this statement to be true.
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