1. A casting company has several ovens in which they heat the raw materials prior to pouring theminto a wax mold. It is very important that these metals be heated to a precise temperature with verylittle variation. Three ovens are selected at random, and their temperatures are recorded (°C) veryaccurately on 10 successive heats. The collected data are as follows:Temperature ("C)Oven-21669.16 1673.081672.75Oven-3Oven-11670.871670.881669.601671.511669.761675.141672.011669.181674.941669.631671.921671.331670.951669.691660.381668.701671.861669.451679.941669.351660.511669.121671.891668.781672.52 1673.45 1664.32a. Is there significant evidence (a= 0.05) that the three ovens have different levels of variationin their temperatures ?b. Assess the order of magnitude in the differences in standard deviations by placing 95%confidence intervals on the ratios of the three pairs of standard deviations .c. Do the conditions that are required by your statistical procedures in parts (a) and (b) appearto be valid ?

Answered: Image /qna-images/answer/f2b8d5d0-7f7f-4e6e-9df3-0f7e0839ae64.jpg

Answered: 1. A casting company has several ovens…

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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COMMUNITY PHARMACY 127th St In F of Marle (212) 926-7500 Fax (212) 426-5900 www.harian.com RHOOD PHARMACY m Southern X o Mail-Ald X W W3Scho X W' Exercise X 10 # of movies Frequency 0 1 Twenty-three randomly selected students were asked the number of movies they watched the previous week. The results are as follows. 2 3 4 4 Number of Movies Watched 9 6 3 Welcom 1 NCC-1701 X + V a. Select the correct histogram of the data, where a value is counted in a class interval if it falls on the left boundary, but not if it falls on the right boundary. ☐
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