Week 11: Statistics Extra Credit: Confidence Interval
1. Save the File with your Name in it, ie 220_W11EC_TEyster.docx
2. Make sure it is a Word Doc or PDF file to ensure readability.
3. Answer all parts in complete sentences and show all work or explain how you got the values.
Student Learning Outcomes
The student will calculate the 90% confidence interval for the mean length of the provided femurs of patients.
The student will interpret confidence intervals.
The student will determine the effects of changing conditions on the confidence interval.
Data to be used is randomly selected from: femur lengths of patients: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6177158/
Thiesen, D. M., Prange, F., Berger-Groch, J., Ntalos, D., Petersik, A., Hofstätter, B., Rueger, J. M., Klatte, T. O.,