3/18/2013

Sampling Distributions

• Counts
• Proportions
• Means
• Sums

Central Limit Theorem - Class Activity (p:\data\math\stats\USpennies.mtw)

• Describe the shape of the age distribution for U.S. pennies
• Estimate the mean and standard deviation for this distribution
• Investigate properties of the sampling distribution of the sample average as the sample size increseases.
• General comments about the sampling distribution of a sample average.

In class Exercises

• 8.17, 8.21, 8.29, 8.31

Please complete your reading of Chaper 8 from class on Wednesday