Chapter+10+Hypothesis+Testing

Chapter 10 Hypothesis Testing

Section 1 - Introduction

Notes

Assignment

Section 2 - z-Test for a Mean

Notes

Examples to go with Notes



Section 3 - t-Test for a Mean Hypothesis Testing

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Problems to go with Notes

Assignment

Review for Quiz Section 10.1-10.3

Review answers

1. +1.96, -1.96 2. +2.05 3. -1.75 4. H0: µ=98 H1: µ not 98 5. H0: µ=25.3 H1: µ <25.3 6. H0: µ=$150,000 H1: µ>$150,000 7. H0: µ=10 H1: µ <10 (claim) z = -2.22 C.V. = -1.697 reject null hypothesis: There is enough evidence to support the claim that the average is less than 10 minutes 8. H0: µ=208 H1: µ>208 (claim) z = 3.32 C.V. = 2.32 reject the null hypothesis: There is enough evidence to support the claim that the weight is greater than 208 grams. 9. H0: µ=10 H1: µ<10 (claim) z = -2.38 p = .0086 since p < .05, reject the null hypothesis: There is enough evidence to support the claim that the weight is less than 10 ounces.

Section 4 - z- Test for a Proportion Hypothesis Testing



Problems to go with Notes



Assignment

Assignment Answers

Section 5: Chi -Square Test for Variance and Standard Deviation

Problems to go with Notes