MTB > # problem 11.77 STA 3123
MTB > # example of linear regression and correlation
MTB >
MTB > set c1
DATA> 39 43 21 64 57 47 28 75 34 52
DATA> end
MTB > set c2
DATA> 65 78 52 82 92 89 73 98 56 75
DATA> end
MTB > name c1 'x' c2 'y'
MTB > # x is verbal ability test score
MTB > # y is final sociology grade
MTB >
MTB > print 'x' 'y'
ROW x y
1 39 65
2 43 78
3 21 52
4 64 82
5 57 92
6 47 89
7 28 73
8 75 98
9 34 56
10 52 75
MTB > gstd
* NOTE * Standard Graphics are enabled.
Professional Graphics are disabled.
Use the GPRO command to enable Professional Graphics.
MTB > plot 'y' vs 'x'
y - *
-
- *
90+ *
-
-
- *
- *
75+ *
- *
-
- *
-
60+
- *
