If the Odds of a Risk Group Being Exposed to an Outcome

question 4

Multiple Choice

If the odds of a risk group being exposed to an outcome is 237% higher than the odds of the comparison group, the odds ratio is:

• A) 3.27.
• B) 2.37.
• C) 3.37.
• D) None of these is correct.

---

Definitions:

Fixed Number of Trials

A specified, constant number of attempts or operations conducted in an experiment or process, typically used in statistical trials.

Chi-Squared Distribution

A statistical distribution that represents the distribution of the sum of the squares of k independent standard normal random variables.

Skewed to the Right

A description of a distribution of data where the right tail (higher values) is longer than the left tail, indicating a concentration of lower values.

Critical Region

The critical region is a set of values for which the null hypothesis is rejected in hypothesis testing; it specifies the threshold at which the observed results are deemed statistically significant.