What is the appropriate statistical test to assess whether there is an association between obesity status (normal weight, overweight, obese) and 5-year incident cardiovascular disease (CVD)? Suppose each participant’s obesity status (category) is known along with whether they develop CVD over the next 5 years or not. I see two answers to this question - log rank test and chi-square test of independence.  Which is correct

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Q: Why do you think it is important for a person to know at least basic statistical concepts?

A: Introduction Statistics is a field which involves collection, arrangement and analysis of the data…

Q: What is the appropriate statistical test to assess whether there is an association between obesity…

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A: The chi-square test statistics, it could be calculated:

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Q: What is difference between chi and binomial statistics?  When do we use regression analysis?

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Q: What do the MS values represent in an ANOVA?

A: ANOVA is Analysis of Variance.

Q: What does “statistical significance” mean?

A: "Statistical significance" is a term used in statistics to indicate whether an observed effect or…

Q: What is the appropriate statistical test to assess whether there is an association between obesity…

A: Introduction: It is of interest to test whether an association exists between the obesity status of…

Q: Can the empirical rule be used on any population, why or why not?

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A: Predictive validity tells you how well future actions can be predicted by a certain measure.

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Q: whats an experimental hypothesis?

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Q: e concept of "control"

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Q: What is Measures of Central Tendency? The most common measures of central tendency?

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Q: What is ANOVA and how is it used in statistics?

A: ANOVA is a useful statistical tool in many fields, including psychology, biology, economics, and…

Q: What do we call variance in the ANOVA equation, and what notation do we use to represent them?

A: Given information: The information about ANOVA is given.