/* Problem 1 SAS code */

DATA mathscores;
INPUT student method $ score;
cards;
 1 modern    83.1
 2 modern    78.6
 3 modern    70  
 4 modern    70.4
 5 modern    92.2
 6 modern    79.8
 7 modern    77.7
 8 modern    74.8
 9 modern    74.3
10 modern    80.8
11 modern    69.4
12 modern    71.7
13 modern    88.1
14 modern    71.8
15 modern    79.1
16 modern    58.8
17 modern    63.3
18 modern    89.7
19 modern    92.3
20 modern    80.9
21 modern    79.8
22 modern    93.5
23 modern    63.4
24 modern    76.4
25 modern    84.5
26 tradition 85.3
27 tradition 82.4
28 tradition 84  
29 tradition 81.5
30 tradition 79.7
31 tradition 80.5
32 tradition 80.9
33 tradition 83.5
34 tradition 80.9
35 tradition 83.4
36 tradition 83.1
37 tradition 80.5
38 tradition 80.5
39 tradition 81.5
40 tradition 78.4
41 tradition 80.3
42 tradition 85.9
43 tradition 80.8
44 tradition 82.2
45 tradition 80.3
46 tradition 86  
47 tradition 81  
48 tradition 83  
49 tradition 80.3
50 tradition 83.4
;
run;

PROC UNIVARIATE data=mathscores PLOT;
CLASS method;
VAR score;
run;

/* Problem 2 SAS code */

DATA beetles;
INPUT weight @@;
cards;
113.7 103.5 110.3 100.0 116.2 121.5 118.7 107.0 116.9 106.4 122.6 119.4 120.4 118.6 114.2 123.6 117.9 114.6 115.4 112.3 111.2 119.6
;
run;

PROC UNIVARIATE data=beetles PLOT;
VAR weight;
run;

/* Problem 3 SAS code */

DATA smokers;
INPUT person group $ rate;
cards;
 1 heavy 79.1
 2 heavy 78.9
 3 heavy 78.4
 4 heavy 77.8
 5 heavy 61.4
 6 heavy 74.3
 7 heavy 87.4
 8 heavy 81.3
 9 heavy 73.4
10 heavy 83.8
11 heavy 72.4
12 heavy 79.9
13 heavy 74  
14 heavy 82.3
15 light 75  
16 light 77.7
17 light 74.7
18 light 72.6
19 light 79.1
20 light 65.2
21 light 63.6
22 light 65.3
23 light 77  
24 light 80.3
25 light 73.3
26 light 75.3
27 light 70.1
28 light 71.5
29 non   58  
30 non   68.7
31 non   51.1
32 non   51  
33 non   52.9
34 non   69  
35 non   66.6
36 non   69  
37 non   64.2
38 non   53.7
39 non   56.1
40 non   66.6
41 non   60.8
42 non   55  
;
run;

PROC UNIVARIATE data=smokers PLOT;
CLASS group;
VAR rate;
run;

/* Problem 4 SAS code */

DATA college;
INPUT student ACTmath GPA;
cards;
 1 24 2.60
 2 26 3.45
 3 20 1.67
 4 22 3.28
 5 18 1.80
 6 21 1.38
 7 16 2.07
 8 14 0.15
 9 28 3.42
10 22 2.63
11 17 1.20
12 30 3.51
13 17 2.18
14 18 1.08
15 21 2.48
16 27 3.67
17 18 1.10
18 27 3.15
19 21 2.22
20 27 3.11
21 20 1.71
22 29 3.98
23 25 2.54
24 36 3.91
25 25 3.95
26 17 0.84
27 26 2.11
28 30 3.14
29 22 3.70
30 22 2.47
;
run;

PROC UNIVARIATE data=college PLOT;
VAR ACTmath GPA;
run;