4) Use the data in ATTEND.dta for the exercise.

1. Obtain the minimum, maximum, and average values for the variables atndrte, priGPA, and ACT.

A: atndrte; min = 6.25, max = 100, average = 81.70956

priGPA; min = .857, max = 3.93, average = 2.586775

ACT; min = 13, max = 32, average = 22.51029

summarize atnorte Variable Obs Mean Std. dev. Min Max atnorte 680 81. 70956 17. 04699 6.25 100 summarize priGPA Variable Obs Mean Std. dev. Min Max priGPA 680 2. 586775 . 5447141 . 857 3.93 summarize ACT Variable Obs Mean Std. dev. Min Max ACT 680 22. 51029 3. 490768 13 32regress atnorte priGPA ACT Source SS df MS Number of obs 680 F (2, 677) 138 . 65 Model 57336 . 7612 2 28668. 3806 Prob > F 0 . 0000 Residual 139980. 564 677 206 . 765974 R-squared E 0 . 2906 Adj R-squared 0 . 2885 Total 197317 . 325 679 290 . 59989 Root MSE 14.379 atnorte Coefficient Std. err. t P> | t | [95% conf. interval] priGPA 17 . 26059 1 . 083103 15 . 94 0 . 000 15 . 13395 19 . 38724 ACT -1. 716553 . 169012 -10 . 16 0 . 000 -2. 048404 -1. 384702 cons 75 . 7004 3 . 884108 19 . 49 0 . 000 68 . 07406 83. 32675