Report an appropriate hypothesis test and use a 5% significance level. The null hypothesis for the One-way Anova F-test would be Group of answer choices Ho: Density affects firing temperature. Ho: Firing temperature affects density. Ho: Firing temperature does not affect density. Ho: Density does not affect firing temperature.
Report an appropriate hypothesis test and use a 5% significance level. The null hypothesis for the One-way Anova F-test would be Group of answer choices Ho: Density affects firing temperature. Ho: Firing temperature affects density. Ho: Firing temperature does not affect density. Ho: Density does not affect firing temperature.
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
Report an appropriate hypothesis test and use a 5% significance level.
The null hypothesis for the One-way Anova F-test would be
Group of answer choices
Ho: Density affects firing temperature.
Ho: Firing temperature affects density.
Ho: Firing temperature does not affect density.
Ho: Density does not affect firing temperature.
Transcribed Image Text:Use the information provided below for the BRICKS questions that follow.
ONE-WAY ANOVA
Data from #13-13 pp.520 of "Applied Statistics and Probability for Engineers" Fourth edition by Douglas C. Montgomery & George C.
Runger.
The goal of this experiment was to see if four specific firing temperatures (100, 125, 150 and
175 deg F) had any effect on the density of a certain type of brick. The units for density are
not known. The firing temperatures are being treated as categories rather than quantities.
22
21.9
21.8
21.7
21.6
21.5
21.4
21.3
• 100
1 125
A 150
• 175
Anova: Single Factor
SUMMARY
Groups
Count
Sum
Average
Variance
100
7
152
21.7143
0.0181
125
4
86.1
21.525
0.0158
150
108.6
21.72
0.027
175
130.5
21.75
0.011
ANOVA
Source of Variation
SS
df
MS
P-value
F crit
Between Groups
0.1391
0.0464
2.6159
0.0827
3.1599
Within Groups
0.3191
18
0.0177
Total
0.4582
21
Density
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