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Biostatistics

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526 CHAPTER 10 MULTIPLE REGRESSION AND CORRELATION<br />

114 subjects. Use multiple regression to see how well you can predict the peak spinal latency (Cv) of<br />

the SEP for digit I when age (years) and arm length (cm) are the predictor variables. Evaluate the<br />

usefulness of your prediction equation.<br />

Age Arm Length Cv Dig.I Age Arm Length Cv Dig.I Age Arm Length Cv Dig.I<br />

35.07 76.5 13.50 32.00 82.0 16.30 42.08 94.0 17.70<br />

35.07 76.5 13.50 32.00 82.0 15.40 40.09 94.0 17.70<br />

21.01 77.0 13.00 38.09 86.5 16.60 40.09 94.0 17.40<br />

21.01 77.0 13.60 38.09 86.5 16.00 42.09 92.5 18.40<br />

47.06 75.5 14.30 58.07 85.0 17.00 20.08 95.0 19.00<br />

47.06 75.5 14.90 58.07 85.0 16.40 50.08 94.5 19.10<br />

26.00 80.0 15.40 54.02 88.0 17.60 50.08 94.5 19.20<br />

26.00 80.0 14.70 48.10 92.0 16.80 47.11 97.5 17.80<br />

53.04 82.0 15.70 48.10 92.0 17.00 47.11 97.5 19.30<br />

53.04 82.0 15.80 54.02 88.0 17.60 26.05 96.0 17.50<br />

43.07 79.0 15.20 45.03 91.5 17.30 26.05 96.0 18.00<br />

39.08 83.5 16.50 45.03 91.5 16.80 43.02 98.0 18.00<br />

39.08 83.5 17.00 35.11 94.0 17.00 43.02 98.0 18.80<br />

43.07 79.0 14.70 26.04 88.0 15.60 32.06 98.5 18.30<br />

29.06 81.0 16.00 51.07 87.0 16.80 32.06 98.5 18.60<br />

29.06 81.0 15.80 51.07 87.0 17.40 33.09 97.0 18.80<br />

50.02 86.0 15.10 26.04 88.0 16.50 33.09 97.0 19.20<br />

25.07 81.5 14.60 35.11 94.0 16.60 35.02 100.0 18.50<br />

25.07 81.5 15.60 52.00 88.5 18.00 35.02 100.0 18.50<br />

25.10 82.5 14.60 44.02 90.0 17.40 26.05 96.0 19.00<br />

47.04 86.0 17.00 44.02 90.0 17.30 26.05 96.0 18.50<br />

47.04 86.0 16.30 24.05 91.0 16.40 25.08 100.5 19.80<br />

37.00 83.0 16.00 24.00 87.0 16.10 25.06 100.0 18.80<br />

37.00 83.0 16.00 24.00 87.0 16.10 25.06 100.0 18.40<br />

34.10 84.0 16.30 24.00 87.0 16.00 25.08 100.5 19.00<br />

47.01 87.5 17.40 24.00 87.0 16.00 30.05 101.0 18.00<br />

47.01 87.5 17.00 53.05 90.0 17.50 30.05 101.0 18.20<br />

30.04 81.0 14.10 53.05 90.0 17.50 36.07 104.5 18.90<br />

23.06 81.5 14.20 52.06 90.0 18.00 36.07 104.5 19.20<br />

23.06 81.5 14.70 52.06 90.0 17.90 35.09 102.0 21.00<br />

30.04 81.0 13.90 53.04 93.0 18.40 35.09 102.0 19.20<br />

78.00 81.0 17.20 22.04 90.0 16.40 21.01 101.5 18.60<br />

41.02 83.5 16.70 22.04 90.0 15.80 21.01 101.5 18.60<br />

41.02 83.5 16.50 46.07 95.5 18.80 40.00 95.5 20.00<br />

28.07 78.0 14.80 46.07 95.5 18.60 42.09 92.5 18.40<br />

28.07 78.0 15.00 47.00 93.5 18.00 42.08 94.0 18.50<br />

36.05 88.0 17.30 47.00 93.5 17.90 35.04 86.0 16.00<br />

35.04 86.0 15.30 39.05 94.5 17.40 36.05 88.0 16.60<br />

Source: Data provided courtesy of Olga Kwast-Rabben, Ph.D.<br />

7. The following table shows the weight and total cholesterol and triglyceride levels in 15 patients with<br />

primary type II hyperlipoproteinemia just prior to initiation of treatment:

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