Report an appropriate hypothesis test and use a 5% significance level. This question is about the second part of Step 4 of the six-step One-way Anova F-test procedure that was taught in this class.  Fill in the blanks appropriately. (ii) Largest sample variance (do not round):        Smallest sample variance (do not round):        Ratio of largest to smallest (one decimal pl

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Report an appropriate hypothesis test and use a 5% significance level.

This question is about the second part of Step 4 of the six-step One-way Anova F-test procedure that was taught in this class. 

Fill in the blanks appropriately.

(ii) Largest sample variance (do not round): 

      Smallest sample variance (do not round): 

      Ratio of largest to smallest (one decimal place): 

The ratio of the largest to the smallest sample variance is less-than-or-equal-to-four so it is safe to assume that the population variances are approx equal.

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
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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ISBN:
9781337798310
Author:
Peterson, John.
Publisher:
Cengage Learning,