ORIE 476 SPRING 2004
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Homework 4: (due date February 27)
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*** NKNW stands for the 4 authors of the textbook. ***

NKNW: Problems and Exercises
6.1, 6.10(a,c1&5), 6.11(a,c)
6.15(c), 6.19(a), 6.21(ignore the last sentence).

   Chemical Shipment Data
     Y      X1    X2
   58.0    7.0   5.11
  152.0   18.0  16.72
   41.0    5.0   3.20
   93.0   14.0   7.03
  101.0   11.0  10.98
   38.0    5.0   4.04
  203.0   23.0  22.07
   78.0    9.0   7.03
  117.0   16.0  10.62
   44.0    5.0   4.76
  121.0   17.0  11.02
  112.0   12.0   9.51
   50.0    6.0   3.79
   82.0   12.0   6.45
   48.0    8.0   4.60
  127.0   15.0  13.86
  140.0   17.0  13.03
  155.0   21.0  15.21
   39.0    6.0   3.64
   90.0   11.0   9.57

   Patient Satisfaction Data
     Y     X1     X2     X3
   48.0   50.0   51.0    2.3
   57.0   36.0   46.0    2.3
   66.0   40.0   48.0    2.2
   70.0   41.0   44.0    1.8
   89.0   28.0   43.0    1.8
   36.0   49.0   54.0    2.9
   46.0   42.0   50.0    2.2
   54.0   45.0   48.0    2.4
   26.0   52.0   62.0    2.9
   77.0   29.0   50.0    2.1
   89.0   29.0   48.0    2.4
   67.0   43.0   53.0    2.4
   47.0   38.0   55.0    2.2
   51.0   34.0   51.0    2.3
   57.0   53.0   54.0    2.2
   66.0   36.0   49.0    2.0
   79.0   33.0   56.0    2.5
   88.0   29.0   46.0    1.9
   60.0   33.0   49.0    2.1
   49.0   55.0   51.0    2.4
   77.0   29.0   52.0    2.3
   52.0   44.0   58.0    2.9
   60.0   43.0   50.0    2.3

   Mathematicians Salary Data
     Y     X1     X2     X3
   33.2    3.5    9.0    6.1
   40.3    5.3   20.0    6.4
   38.7    5.1   18.0    7.4
   46.8    5.8   33.0    6.7
   41.4    4.2   31.0    7.5
   37.5    6.0   13.0    5.9
   39.0    6.8   25.0    6.0
   40.7    5.5   30.0    4.0
   30.1    3.1    5.0    5.8
   52.9    7.2   47.0    8.3
   38.2    4.5   25.0    5.0
   31.8    4.9   11.0    6.4
   43.3    8.0   23.0    7.6
   44.1    6.5   35.0    7.0
   42.8    6.6   39.0    5.0
   33.6    3.7   21.0    4.4
   34.2    6.2    7.0    5.5
   48.0    7.0   40.0    7.0
   38.0    4.0   35.0    6.0
   35.9    4.5   23.0    3.5
   40.4    5.9   33.0    4.9
   36.8    5.6   27.0    4.3
   45.2    4.8   34.0    8.0
   35.1    3.9   15.0    5.0