In industrial settings, alternative methods often exist for measuring variables of interest. The data in the file represent measurements in-line that were collected from an analyzer during the production process and from an analytical lab (extracted from M. Leitnaker, “Comparing Measurement Processes: In-line Versus Analytical Measurements,” Quality Engineering, 13, 2000–2001, pp. 293–298).,,a. At the 0.05 level of significance, is there evidence of a difference in the mean measurements in-line and from an analytical lab?,,b. What assumption is necessary about the population distribution in order to perform this test?,,
Regent Papers is a library of common essays on high school, college, undergraduate and postgraduate topics. We have collected top papers from various institution, students and professors. The papers are based on common essay topics in all subjects.