The following data are values of pressure (psi) in a torsion spring for several settings of the angle between the legs of the spring in a free position. Also presented is the ANOVA result.a.1. Solve for the Bartlett’s computed value. a.2. Solve for the Bartlett’s critical value using α = 0.01. a.3. Conclude if the variances are equal. ANGLE (°)Anova: Single Factor67727579SUMMARY93949689GroupsCountSumAverageVariance67437694 6.6666666795959772657395.51.191959888751094794.7 18.011111196989179435889.5 1.6666666796989790ANOVA97Source of VariationSSMSP-valueF rit97Between Groups99.233333333 33.0777778 3.43486789 0.03660492 4.93819338Within Groups192.69.638888Total291.83333332320of90

67 72 75 79 93 94 96 89 95 95 97 90 91 95 98 88 97 96 98 91 96 98 97 90 97…

Answered: a.2. Solve for the Bartlett’s critical…

Math

Statistics

a.2. Solve for the Bartlett’s critical value using α = 0.01. a.3. Conclude if the variances are equal.

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 following data are values of pressure (psi) in a torsion spring for several settings of the angle between the legs of the spring in a free position. Also presented is the ANOVA result.
a.1. Solve for the Bartlett’s computed value.
a.2. Solve for the Bartlett’s critical value using α = 0.01.
a.3. Conclude if the variances are equal.

ANGLE (°)
Anova: Single Factor
67
72
75
79
SUMMARY
93
94
96
89
Groups
Count
Sum
Average
Variance
67
4
376
94 6.66666667
95
95
97
72
6
573
95.5
1.1
91
95
98
88
75
10
947
94.7 18.0111111
96
98
91
79
4
358
89.5 1.66666667
96
98
97
90
ANOVA
97
Source of Variation
SS
MS
P-value
F rit
97
Between Groups
99.23333333
3 33.0777778 3.43486789 0.03660492 4.93819338
Within Groups
192.6
9.63
88
88
Total
291.8333333
23
20
of
90

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