stats 3

For the third component of the Session Long Project, write a 2- to 3-page essay in which you begin to discuss the spread of the data that you have been collecting by:

1. Compute the variance of the measurements that you have taken so far. Show your work.
2. Compute the standard deviation of the measurements that you’ve taken so far. Show your work.
3. Discuss the spread of the data you have been collecting. Be sure to describe the variance of distribution and the concept of standard deviation as a measure of dispersion in your response.

Michelson, S. & Schofield, T. (2002). Chapter 1: Description. Data Dispersion, Noise and Error (pages 18-26). In: The Biostatistics Cookbook: The Most User-Friendly Guide for the Bio/Medical Scientist. Kluwer Academic Publishers. Available in Ebrary, accessed via Trident’s online library.

Norman, G., and Streiner, D. (2008). Chapter The Third: Describing the Data with Numbers: Measures of Central Dispersion. In: Biostatistics The Bare Essentials. 3^rd Edition. BC Decker Inc. PMPH USA, Ltd. Shelton, CT. eISBN: 9781607950585 pISBN: 9781550093476. Available in Ebrary, accessed via Trident’s online library.

Additional Reading (Optional)

McGraw Hill.com (yr. unknown). Chapter 2: Describing Data: Frequency Distributions and Graphic Presentation. Retrieved from http://highered.mcgraw-hill.com/sites/dl/free/0070880441/40846/Chapter2.pdf