Sampling Distributions

Activities: In-class, small group

• Average Number of Hours Students Report Studying Weekly.  Involves using data from small groups of 4 students to illustrate the variability among sample means.  Submitted by William L.  Harkness.
• Sampling distributions.  An activity which involves collecting random samples and determining the shape of the distributions. Submitted by Laura J. Simon.

Class lecture notes

• Sampling distributions.  Definitions and examples of sampling distributions and the central limit theorem.  Submitted by Herb McGrath.
• Sampling distributions.  An introduction to the sampling distribution of sample means and the central limit theorem. Submitted by Laura J. Simon.
• Sampling distribution for proportions.  An introduction to sampling distribution for proportions.  Submitted by Bob Heckard.

Flowcharts

• Normal vs. t Distributions.  Choosing Between Normal and t Distributions. Submitted by Mosuk Chow.

Videos

• Against All Odds: Inside Statistics Video 18:  The Sample Mean and Control Charts.  Roulette and the manufacturing industry offer real-life demonstrations of the use of the central limit theorem, control chart monitoring of random variation, creation of x-bar charts and definitions of control limits and out-of-control monitoring.  (28:42 mins.)  Video available in Main Office and from Penn State AVS.