Descriptive and Inferential Statistical Methods

1. Explain the difference between descriiptive and inferential statistical methods abd give an example of how each could help you draw a conclusion in the
real world.
2. Determine whether eating before bed influences sleep patterns. List each step you would take to conduct a statistical study on this topic and explain what
you would do to complete each step. What is your hypothesis on this issue? What type of data will you be looking for? What methods would you use to
gather information? How would the results of the data influence decisions you might make about eating and sleeping?
3. A company that sells tea and coffee claims that drinking two cups of green tea daily has been shown to increase mood and well being. This claim is based
on surveys asking customers to rate their mood on a scale of 1-10 after days they drink/do not drink different types of tea. Based on this information, answer
the following questions:
How would we know if this data is valid and reliable? What questions would you ask to find out more about the quality of the data? Why is it important to
gather and report valid and reliable data?
4. Explain how you would use data/ statistics and the steps you would take to analyze each problem: •productivity at work
•health & nutrition