Let "c" be the cost of one album on cd. It is $5 less to download the same album.
Write an expression to represent each
situation.

24. the price of 4 cd's
25. the price of 1 download
26. the price of 8 downloads
27.
the price of 4 cd's and 3 downloads
28. Half the price of a cd
29. Half the price of a download

Given are five observations for two variables, x and y. xi 1 2 3 4 5 yi 3 7 5 11 14 which of the following is a scatter diagrams accurately represents the data? what does the scatter diagram developed in part (a) indicate about the relationship between the two variables? try to approximate the relationship betwen x and y by drawing a straight line through the data. which of the following is a scatter diagrams accurately represents the data? develop the estimated regression equation by computing the values of b 0 and b 1 using equations (14.6) and (14.7) (to 1 decimal). = + x use the estimated regression equation to predict the value of y when x = 4 (to 1 decimal). =