A chemist wishes to test the effect of four chemica agents on the strength of a particular type of cloth. Because here might be variability from one bolt to another, th chemist decides to use a randomized block design, with th bolts of cloth considered as blocks. She selects five bolts ane applies all four chemicals in random order to cach bolt. Th resulting tensile strengths follow. Analyze the data from thi experiment (use a - 0.05) and draw appropriate conclusions Bolt Chemical 2. 3 4 5 73 68 74 71 67 73 67 75 72 70 3. 75 68 78 73 68
A chemist wishes to test the effect of four chemica agents on the strength of a particular type of cloth. Because here might be variability from one bolt to another, th chemist decides to use a randomized block design, with th bolts of cloth considered as blocks. She selects five bolts ane applies all four chemicals in random order to cach bolt. Th resulting tensile strengths follow. Analyze the data from thi experiment (use a - 0.05) and draw appropriate conclusions Bolt Chemical 2. 3 4 5 73 68 74 71 67 73 67 75 72 70 3. 75 68 78 73 68
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Transcribed Image Text:4.3. A chemist wishes to test the effect of four chemical
agents on the strength of a particular type of cloth. Because
there might be variability from one bolt to another, the
chemist decides to use a randomized block design, with the
bolts of cloth considered as blocks. She selects five bolts and
applies all four chemicals in random order to cach bolt. The
resulting tensile strengths follow. Analyze the data from this
experiment (use a-0.05) and draw appropriate conclusions.
Bolt
Chemical
1
2
3
4
1
73
68
74
71
67
73
67
75
72
70
3
75
68
78
73
68
4
73
71
75
75
69
in
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