EXAM 3
                        REVIEW TOPICS

Calculating the mean and standard deviation for a finite random variable

Density curves and probabilities for continuous random variables
Graphical interpretation/calculation of mean, median, and quartiles for a 
     continuous random variable

Normal distributions and the 68-99-99.7 rule
Standardizing and the standard normal distribution
Using a standard normal table to compute probabilities and critical values

The law of large numbers
Sampling distribution for the sample mean; its mean and standard deviation
The central limit theorem (with rule of thumb)

The binomial setting and binomial distributions
Probability, mean, and standard deviation for binomial random variables
The normal approximation to binomial (with rule of thumb)

Statistical confidence
Confidence intervals: calculation and interpretation
Effect of confidence level, sample size, and standard deviation  
     on the margin of error
Finding the sample size for a given margin of error, confidence level,
     and standard deviation
Caveats about confidence intervals