The average height of a 13 year old male in the u. s. is 60 inches, with a standard deviation of 2 inches. the average weight of a 13 year old male in the u. s. is 100 pounds, with a standard deviation of 5 pounds. if daniel, a 13 year old male, is 68 inches tall and weighs 115 pounds, is his height or weight more unusual?

(x-5)1/2+5=2 what is a possible solution?

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?

The birth weights of newborn babies in the unites states follow in a normal distrubution with a mean of 3.4 kg and standard deviation of 0.6 kg. reaserches interested in studying how. children gain weights decide to take random samples of 100 newborn babies and calculate the sample mean birth weights for each sample