MTB > execute 'nl-14-2.mtb'
* ERROR * Requested file does not exist

MTB > execute 'ml-14-2.mtb'
MTB > Note. Bill Qualls - Regression Example
MTB > Note. Mason and Lind, 7ed, Page 535, #14.2
MTB > Note. This is file ML-14-2.MTB
MTB >  
MTB > Note. "A study is to be conducted of the death rates
MTB > Note. of white females under one year of age compared
MTB > Note. with all other females under one year. The rates
MTB > Note. from the Department of Health and Human Services
MTB > Note. for selected years, per 1,000 population in each
MTB > Note. group are (as below)."
MTB >  
MTB > read c1-c3
DATA> 1960 20.1 40.7
DATA> 1970 16.1 31.7
DATA> 1975 12.2 25.2
DATA> 1980  9.6 19.4
DATA> 1984  8.2 16.1
DATA> 1985  8.1 14.3
DATA> end
      6 ROWS READ
MTB >  
MTB > name c1 'Year' c2 'White' c3 'Other'
MTB >  
MTB > corr c2 c3

Correlation of White and Other = 0.996

MTB >  
MTB > regr c3 on 1 in c2 resids in c4 predicts in c5;
SUBC> predict 10.

The regression equation is
Other = - 1.33 + 2.09 White

Predictor       Coef       Stdev    t-ratio        p
Constant      -1.332       1.163      -1.14    0.316
White        2.09138     0.08848      23.64    0.000

s = 0.9570      R-sq = 99.3%     R-sq(adj) = 99.1%

Analysis of Variance

SOURCE       DF          SS          MS         F        p
Regression    1      511.69      511.69    558.74    0.000
Error         4        3.66        0.92
Total         5      515.35



     Fit  Stdev.Fit         95% C.I.         95% P.I.
  19.582      0.444   ( 18.349, 20.815)  ( 16.652, 22.512)   


MTB >  
MTB > gplot c3 c2;
SUBC> line c5 c2;
SUBC> title 'Death Rates (M&L #14.2)'.
MTB >  
MTB > stop
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