Describe the distribution of a sample’s mean using the central limit theorem, correcting for a finite population if necessary.

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,

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