A comment on the shape of the distribution of the house prices of period A against those of period B based on the histograms Selling Price Classes ($) Class Mid point Frequency Period A Relative Frequency probability 800,000 - 900,000 850000 2 8% 900,001 - 1,000,000 950000 3 12% 1,000,001 - 1,100,000 1050000 2 8% 1,100,001 - 1,200,000 1150000 2 8% 1,200,001 - 1,300,000 1250000 8 32% 1,300,001 - 1,400,000 1350000 3 12% 1,400,001 - 1,500,000 1450000 3 12% 1,500,001 - 1,600,000 1550000 1 4% 1,600,001 - 1,700,000 1650000 1 4% 25 Selling Price Classes ($) Class Mid point Frequency Period B Relative Frequency probability 910,001 - 1,005,000 505250.5 2 8% 1,005,001 - 1,100,000 600249.5 1 4% 1,100,001 - 1,195,000 695248.5 5 20% 1,195,001 - 1,290,000 790247.5 4 16% 1,290,001 - 1,385,000 885246.5 5 20% 1,385,001 - 1,480,000 980245.5 4 16% 1,480,001 - 1,575,000 1075244.5 2 8% 1,575,001 - 1,670,000 1170243.5 2 8% 25