Ch 7
1.Describe the distribution of a sample’s mean using the central limit theorem, correcting for a finite population if necessary.
2. Describe the distribution of a sample’s proportion using the z formula for sample proportions.
3. Random Versus Nonrandom Sampling
4. what is a frame and why is it used in sampling, .
Ch 8
What is the chi-square distribution? Why is it used .
What is the t distribution, write about its characters whatever as long has it pretains to statistics.
Robustness- I don’t even know write about how it preains to statistics
Degrees of freedom,