What are the common challenges in statistical analysis?

What are the common challenges in statistical analysis?

Some common challenges include data quality issues, selection bias, and the complexity of statistical models.

How can I overcome data quality issues?

You can improve data quality by implementing rigorous data collection methods and conducting regular audits.

What is selection bias and how does it affect results?

Selection bias occurs when the sample is not representative of the population, leading to skewed results.

Can you give an example of a complex statistical model?

Sure! A common example is the mixed-effects model, which accounts for both fixed and random effects in data.