## Learning Objectives

after the completion of this module, the student will be able to

- explain the value of repeating experiments
- explain the role of the law of large numbers in estimating population means
- describe the effect of

increasing the sample size or reducing measurement errors or other sources of variability

## Knowledge and Skills

- Properties of the arithmetic mean
- Estimating the mean of a normal distribution
- Law of Large Numbers
- Estimating the Variance of a normal distribution
- Generating random variates in EXCEL

## Prerequisites

- Calculating sample mean and arithmetic average
- Calculating sample standard variance and standard deviation
- Normal distribution