(A) The diameter of iron rods issued in a high rising building pillars are under investigation. The diameter for Eleven rods were measured and the following results are obtained: Days 14.5 16.0 15.4 16.3 15.4 15.9 15.5 14.9 15.7 16.0 15.9 We would like to confim if size of irons rods meets the standard of 16mm. i) Set up appropriate hypotheses for investigating this claim. ii) Does the data suggest that standards have been compromised? Use a = 0.05. iii) What will be the possible type II error in this experiment? b. The compressive strength of a concrete and the curing time are believed to related. An investigator conducts an experiment at AIT lab and data is presented below. Compressive strength Curing time(days)
(A) The diameter of iron rods issued in a high rising building pillars are under investigation. The diameter for Eleven rods were measured and the following results are obtained: Days 14.5 16.0 15.4 16.3 15.4 15.9 15.5 14.9 15.7 16.0 15.9 We would like to confim if size of irons rods meets the standard of 16mm. i) Set up appropriate hypotheses for investigating this claim. ii) Does the data suggest that standards have been compromised? Use a = 0.05. iii) What will be the possible type II error in this experiment? b. The compressive strength of a concrete and the curing time are believed to related. An investigator conducts an experiment at AIT lab and data is presented below. Compressive strength Curing time(days)
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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