Dixie showtime movie theaters, inc., owns and operates a chain of cinemas in several markets in the southern u. s. the owners would like to estimate weekly gross revenue as a function of advertising expenditures. data for a sample of eight markets for a recent week follow.
market weekly gross revenue ($100s) | television advertising ($100s) | newspaper advertising ($100s)
mobile 103.5 | 4.9 | 1.7
shreveport 51.6 | 3.3 | 3.0
jackson 75.8 | 4.0 | 1.5
birmingham 127.8 | 4.2 | 4.0
little rock 134.8 | 3.2 | 4.3
biloxi 101.4 | 3.6 | 2.2
new orleans 237.8 | 5.0 | 8.5
baton rouge 219.6 | 6.7 | 5.9
use the data to develop an estimated regression with the amount of television advertising as the independent variable.

let x represent the amount of television advertising.

if required, round your answers to four decimal places. for subtractive or negative numbers use a minus sign even if there is a + sign before the blank. (example: -300)

test for a significant relationship between television advertising and weekly gross revenue at the 0.05 level of significance. what is the interpretation of this relationship?