Ricky believes UCF students would use his carpool app to avoid the hassle of parking on campus. He has surveyed 60 students and most said that they would not purchase his app unless he reduced its price by 50%. Ricky resisted this and only reduced his price by 20%. What bias is Ricky exhibiting

Data from 2005 for various age groups show that for each $100 increase in the median weekly income for whites, the median weekly income of blacks increases by $105. also, for workers of ages 25 to 54 the median weekly income for whites was $676 and for blacks was $527. (a) let w represent the median weekly income for whites and b the median weekly income for blacks, and write the equation of the line that gives b as a linear function of w. b = (b) when the median weekly income for whites is $760, what does the equation in (a) predict for the median weekly income for blacks?