All observations = 470

Obs used: in Model 1 = 315, in Model 2 = 314

obs

Mean

Standard deviation

Min

Max

Mean

Standard deviation

Min

Max

SAT knowledge

452

4.85

0.916901

1

7

4.84

0.95

1

7

SAT prospects

450

4.97

1.111291

1

7

4.96

1.13

1

7

Female

470

0.423

0.49

0

1

0.470

0.50

0

1

Age

457

35.2

5.7

26

50

35.1

5.4

26

50

Age squared

457

1272

419

676

2500

1262

396

676

2500

Work experience

464

14.2

5.9

0.5

30

14.0

5.6

1

30

Kids6

455

0.209

0.52

0

2

0.232

0.54

0

2

Kids 7 to 12

455

0.206

0.60

0

3

0.206

0.62

0

3

Married

468

0.620

0.49

0

1

0.654

0.48

0

1

U-Books

460

2.57

0.94

1

5

2.52

0.95

1

5

U-Website

462

2.06

0.74

1

5

2.02

0.74

1

5

U-Tutors

465

1.92

0.744

1

5

1.90

0.72

1

4

External support

465

0.419

0.494

0

1

0.438

0.50

0

1

Study hours

437

13.7

8.8

0

56

13.6

8.5

2

56

REASON edu

470

0.570

0.50

0

1

0.556

0.50

0

1

REASON status

470

0.232

0.42

0

1

0.232

0.42

0

1

REASON skills

470

0.296

0.46

0

1

0.311

0.46

0

1

REASON income

470

0.089

0.29

0

1

0.102

0.30

0

1

BOOKS home (omitted)

465

0.022

0.15

0

1

0.026

0.16

0

1

BOOKS home 2

465

0.138

0.34

0

1

0.121

0.33

0

1

BOOKS home 3

465

0.437

0.50

0

1

0.429

0.50

0

1

BOOKS home 4

465

0.202

0.40

0

1

0.219

0.41

0

1

BOOKS home 5

465

0.202

0.40

0

1

0.206

0.41

0

1

HH Income

387

28,236

17,077

0

160,000

28,045

17,544

0

160,000

Study Cost 0 (omitted)

466

0.401

0.49

0

1

0.443

0.50

0

1

Study Cost 1

466

0.401

0.49

0

1

0.410

0.496

0

1

Study Cost 2

466

0.144

0.35

0

1

0.149

0.36

0

1

Lyceum Final Grade

424

15.65

1.6

11.3

19.7

15.54

1.6

11.3

19.4