Researchers have obtained and tested samples of four different brands of nylon rope that are advertised as having a breaking strength of 100 pounds. Given the breaking strengths (in pounds) shown here, use the 0.025 level in comparing the brands.
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Brand A
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Brand B
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Brand C
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Brand D
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|
103.1
|
111.6
|
109.0
|
118.0
|
|
108.9
|
117.8
|
111.8
|
115.8
|
|
106.7
|
109.8
|
113.0
|
114.2
|
|
114.3
|
110.1
|
109.7
|
117.3
|
|
113.3
|
118.3
|
108.6
|
113.8
|
|
110.5
|
116.7
|
114.7
|
110.6
|