1.)The number of initial public offerings of stock issued in a10-year period and the total proceeds of these offerings(in millions) are shown in the table. Construct and interpret a 95% prediction interval for the proceeds when the number of issues is 618. The equation of the regression line is Modifying Above y=31.638x + 17,596.332

Issues, x

411

473

689

492

493

395

65

65

186

166

Proceeds, y

18,293

29,478

43,714

30,104

35,412

35,641

21,201

12,499

30,359

27,938

Construct and interpret a95% prediction interval for the proceeds when the number of issues is 618.

Select the correct choice below and fill in the answer boxes.

(Round to the nearest million dollars as needed. In standard form where"3.12 million" means3,120,000.)

A.We can be95% confident that when there are 618 issues, the proceeds will be between $___and ___$.

B.There is a95% chance that the predicted proceeds given 618 issues is between $____ and $____.

2.)The money raised and spent(both in millions ofdollars) by all congressional campaigns for 8 recent2-year periods are shown in the table. The equation of the regression line is Modifying. Above y=0.926x+39.566. Find the coefficient of determination and interpret the result.

Moneyraised, x

455.3

666.4

728.8

790.4

794.3

1026.9

959.2

1215.3

Moneyspent, y

442.5

699.6

738.1

754.2

727.7

1001.3

941.7

1154.5

Find the coefficient of determination and interpret the result.

r^2=