TABLE 7-66 Plasma Antioxidant Vitamins in Cancer Patients and in Controls Mean SD 0.15 20 2.41 Stomach cancer patients 0.19 2.78 50 Controls Z

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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A study is performed to examine the relationship between the concentration of plasma antioxidant vitamins and cancer risk. Table 7-66, shows data for plasma vitamin-A concentration in stomach cancer patients and in controls (participants similar to the cancer patients but free of disease). Is there a significant vitamins between patients with stomach cancer and controls? Run the appropriate test at a 5% level of significance.

TABLE 7-66
Plasma Antioxidant Vitamins in
Cancer Patients and in Controls
Mean
SD
0.15
20
2.41
Stomach cancer patients
0.19
2.78
50
Controls
Z
Transcribed Image Text:TABLE 7-66 Plasma Antioxidant Vitamins in Cancer Patients and in Controls Mean SD 0.15 20 2.41 Stomach cancer patients 0.19 2.78 50 Controls Z
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