note, no using excel

. A Supermarket chain performed a survey to help determine desirable locations for its new stores. The management of the chain wanted to know whether a linear relationship exists between weekly takeahome pay (1) and weekly food expenditures (y). A random sample of eight households produced the data shown in the following table Household 1 2 3 4 5 6 1 8 710 470 660 140 1d!) x 550 450 560 31' Find the least square regression line. hf Perform the test Ho: [31 = 0, Hi: [31 at [l (u sing a = 0.05) to determine whether there is enough evidence to infer that a linear relationship exists between weekly take-home payr (x) and weekly food expenditures (3')