tailieunhanh - Ebook Applied statistics and probability for engineers: Part 2

(BQ) Part 2 book "Applied statistics and probability for engineers" has contents: Statistical inference for two samples, simple linear regression and correlation, multiple linear regression, design of experiments with several factors, nonparametric statistics, statistical quality control,.and other contents. | 5/16/02 1:30 PM Page 327 RK UL 6 RK UL 6:Desktop Folder:TEMP WORK:MONTGOMERY:REVISES UPLO D CH 1 14 FIN L:Quark Files: 10 Statistical Inference for Two Samples CHAPTER OUTLINE 10-1 INTRODUCTION 10-2 INFERENCE FOR A DIFFERENCE IN MEANS OF TWO NORMAL DISTRIBUTIONS, VARIANCES KNOWN 10-4 PAIRED t-TEST 10-5 INFERENCES ON THE VARIANCES OF TWO NORMAL POPULATIONS The F Distribution Hypothesis Tests for a Difference in Means, Variances Known Development of the F Distribution (CD Only) Choice of Sample Size Hypothesis Tests on the Ratio of Two Variances Identifying Cause and Effect Confidence Interval on a Difference in Means, Variances Known 10-3 INFERENCE FOR A DIFFERENCE IN MEANS OF TWO NORMAL DISTRIBUTIONS, VARIANCES UNKNOWN Hypothesis Tests for a Difference in Means, Variances Unknown ␤-Error and Choice of Sample Size Confidence Interval on the Ratio of Two Variances 10-6 INFERENCE ON TWO POPULATION PROPORTIONS Large-Sample Test for H0: p1 ϭ p2 Small-Sample Test for H0: p1 ϭ p2 (CD Only) More about the Equal Variance Assumption (CD Only) ␤-Error and Choice of Sample Size Choice of Sample Size Confidence Interval for p1 Ϫ p2 Confidence Interval on the Difference in Means 10-7 SUMMARY TABLE FOR INFERENCE PROCEDURES FOR TWO SAMPLES LEARNING OBJECTIVES After careful study of this chapter, you should be able to do the following: 1. Structure comparative experiments involving two samples as hypothesis tests 2. Test hypotheses and construct confidence intervals on the difference in means of two normal distributions 327 8/6/02 2:28 PM Page 328 328 CHAPTER 10 STATISTICAL INFERENCE FOR TWO SAMPLES 3. Test hypotheses and construct confidence intervals on the ratio of the variances or standard deviations of two normal distributions 4. Test hypotheses and construct confidence intervals on the difference in two population .