Iowa

Rhode Island

% Catholic

11%

45%

% Protestant

89%

55%

Whites SAT Math

613

533

Whites SAT Verbal

592

512

A = SAT Score Catholics

B = SAT score Protestants

Math

Iowa

0.11 * A + 0.89 * B = 613

RI

0.45 * A + 0.55 * B = 533

A = (613 - .89B)/.11

0.45 * (613 - .89B)/0.11 +.55B = 533

2,507.72 - 3.641B + .55B = 533

3.091B = 1,974.72

B = 638.9

A = (613 - .89 * 638.9)/.11 = 403.4

Verbal

Iowa

0.11 * A + 0.89 * B = 592

RI

0.45 * A + 0.55 * B = 512

A = (592 - .89B)/.11

0.45 * (592 - .89B)/0.11 +.55B = 512

2,421.8 - 3.641B + .55B = 512

3.091B = 1,909.8

B = 617.9

A = (592 - .89 * 617.9)/.11 = 382.8

Math

Verbal

Difference

Protestants

639

618

Catholics

403

383

236

235

471

 

 

 

 

 

 

Catholic %

1976

1981

1986

1991

1993

1994

1995

Catholic %

Adjustment

North Dakota

16

554

544

556

571

583

559

592

22.2

-6.2

Iowa

11

568

566

576

578

583

574

583

17.1

-6.1

Minnesota

15

552

539

540

543

556

562

579

21.5

-6.5

Wisconsin

16

544

533

536

542

551

557

572

29

-13

South Dakota

19

561

561

567

551

558

548

563

20.5

-1.5

Maryland

39.5

471

461

475

475

478

479

479

16.9

22.6

Connecticut

42

471

463

474

468

474

472

477

38.7

3.3

Massachusetts

41

469

462

473

470

476

475

477

42.7

-1.7

New Jersey

41.1

454

450

465

469

473

475

478

41.1

0

Delaware

44

476

470

475

464

465

464

468

18.3

25.7

Rhode Island

45

469

452

466

459

464

462

463

59.2

-14.2

District Columbia

439

435

441

443

445

0

Montana ..............

22

539

541

518

516

523

536

22

Nebraska .............

16.5

537

549

543

544

543

556

16.5

Maine ................

43

465

466

458

463

463

469

43

Vermont ..............

42

467

474

466

467

472

472

42

Alaska ...............

36

486

479

481

477

477

489

36