Aset of n = 5 pairs of x and y scores has σx = 15, σy = 5, and σxy = 10. for these data, what is the value of sp?

Suppose that a households monthly water bill (in dollars) is a linear function of the amount of water the household uses (in hundreds of cubic feet, hcf). when graphed, the function gives a line with slope of 1.65. if the monthly cost for 13 hcf is $46.10 what is the monthly cost for 19 hcf?