Compare and contrast two nonparametric tests performed in bio statistical studies. When do public health researchers use nonparametric tests? How do they compare with parametric tests?
Your response must be at least 300 words in length.
What is the importance of data visualization in public health research? List three methods of data visualization, and identify their characteristics.
Your response must be at least 300 words in length.
DISCUSSION BOARDS
In statistics, the process of hypothesis testing involves data preparation, including explorative data analysis. Do you think explorative data analysis is important? Why, or why not?
In statistics, the process of hypothesis testing involves data preparation, including explorative data analysis. Do you think explorative data analysis is important? Why, or why not?
In multivariable analysis, the terms confounding and effect modification come into play. Why do you think they are important? What effect do they have in statistical analysis?