Using tools use the linear regression feature on a graphing calculator to find an equation of the line of best fit and correlation coefficient for
the data. round all values to the nearest hundredth.
the equation of the line of best fit of the data is y=
the correlation coefficient is r=
interpret the correlation coefficient.
strong negative correlation

Four airplanes carrying a total of 400 passengersarrive at the detroit airport. the airplanes carry, respectively,50, 80, 110, and 160 passengers.a) one of the 400 passengers is selected uniformly at random.let x denote the number of passengers that were on theairplane carrying the randomly selected passenger. find var(x)for x as given in the problemb) one of the 4 airplane drivers is also selected uniformly atrandom. let y denote the number of passengers on the chosen driver’s airplane. find var(y) for y as given in the problem