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To use the chi-square test,both variables in a 2 x 2 contingency table must be measured on a ratio scale.
Lung Cancer
A type of cancer that begins in the lungs, often associated with smoking and exposure to harmful pollutants, and characterized by uncontrolled cell growth in lung tissue.
Vitamin E
A group of eight fat-soluble compounds that include four tocopherols and four tocotrienols, known for its antioxidant properties.
Vitamin C
An essential vitamin and antioxidant found in various fruits and vegetables, known for its role in supporting the immune system, skin health, and aiding in the absorption of iron.
Vitamin A
An essential fat-soluble vitamin important for growth and development, immune function, and vision.
Q1: Which multivariate analysis statistically identifies a reduced
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