Question 1 provide an appropriate response. compute the standardized test statistic, x 2 , to test the claim σ 2 ≥ 12.6 if n = 15, s 2 = 10.5 , and 12.823 11.667 8.713 23.891 20 points

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?