Chapter 8 Notes by Steven Grindle

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Techniques to be learned in Chapter 8 : Based on sample statistics taken from a single population test a claim about a population parameter using the method of Hypothesis Tests.

The introduction to the formal procedures of hypothesis tests are:

8-1, 8-2 Basics of Hypothesis Testing

The parameters to be considered for hypothesis tests are:

8-3 proportion p

8-5 mean μ

8-6 standard deviation σ

 

Which distribution? Confidence Intervals & Hypothesis Tests

z-distributionTo estimate p or test a claim about p, use a z distribution Table A-2

t-distributionTo estimate μ or test a claim about μ, use a t distribution Table A-3

chi-squared distributionTo estimate σ or test a claim about σ, use a χ2 distribution Table A-4