A study is being conducted examining the relationship between BMI (18.5-24.9, 25.0-29.9, 30.0-34.9) and stress rates (using cortisol level test-high, medium, low, or too low). They... A study is being conducted examining the relationship between BMI (18.5-24.9, 25.0-29.9, 30.0-34.9) and stress rates (using cortisol level test-high, medium, low, or too low). They have found that people who have higher BMI were more stressed. IV: DV: IV Level of measurement: DV Level of measurement: Using the statistical chart which test would be conducted?
Understand the Problem
The question involves identifying the independent variable (IV) and dependent variable (DV) in a study, as well as determining the levels of measurement for each, and suggesting a statistical test to conduct based on a provided statistical chart.
Answer
IV: BMI, DV: Stress rates. IV: Ordinal, DV: Ordinal. Use Chi-square test.
The independent variable (IV) is BMI, the dependent variable (DV) is stress rates (cortisol level), IV level of measurement is ordinal, DV level of measurement is ordinal. A Chi-square test could be used to analyze the relationship.
Answer for screen readers
The independent variable (IV) is BMI, the dependent variable (DV) is stress rates (cortisol level), IV level of measurement is ordinal, DV level of measurement is ordinal. A Chi-square test could be used to analyze the relationship.
More Information
The Chi-square test is often used for examining relationships between two ordinal variables, such as BMI categories and cortisol levels here.
Tips
Ensure the data is categorized correctly and assumptions for the Chi-square test are met.
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