Answered: The quality department at ElectroTech…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Question

The quality department at ElectroTech is examining which of two microscope brands (Brand A or Brand B) to purchase. They have hired someone to inspect six circuit boards using both microscopes. Below result in terms of a number of defects (e.g., solder voids, misaligned components) found using each microscope. (Note that the data for two brands can be paired)

State all the assumptions required to define the test statistic. State the test Statistic in notations first and then calculate its value

Find the p-value

Carry out test of hypotheses at 1% level of significance and state the conclusion in context of problem.

Calculate 99% confidence interval for the true average difference in defects found for two microscope brands.

Transcribed Image Text:Number of defects Number of defects with Brand A Circuit Board with Brand B 12 16 15 1 2 8 3 4 16 15 13 14 5 9 13 10 17

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