Listed below is acompany's sales in Year 1 through Year 12along with the national income of the country, where thebusiness is set up.

Year National Income (in millions of dollars)x Company's sales (in thousands of dollars)y

Year 1 305 470

Year 2 316 485

Year 3 358 499

Year 4 350 515

Year 5 375 532

Year 6 392 532

Year 7 400 556

Year 8 398 576

Year 9 430 583

Year 10 456 587

Year 11 578 601

Year 12 498 605

Test whether each of the regression parameters₀and₁is equal to zero at a 0.05 level of significance.

please tell how to get correct interpretations of the estimated regression parameters?