A researcher conducted a multistage study on the relationship between antibiotic

Question

A researcher conducted a multistage study on the relationship between antibiotic use and readmission rates to hospitals within 30 days for pheumonia patients The sample for the study was n=300000. There was a significant difference but the researcher is concerned that the large sample may be causing problems. Which approach would help the researcher interpret these results? 1) changing the alpha value, 2) increasing the confidence level, 3) calculating the effect size, 4) plotting the distribution.

Explanation / Answer

Solution:- 4) Plotting the distribution.

With large samples, it’s critical to evaluate the practical implications of a statistically significant difference.

If you have an extremely large data set, don't rely solely on the the p-value. Examine the graphs and the probability plot as well.

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