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5. : sewage effluents. Both methods were used on the same samples, but each sample came from various locations with differing amounts of contact time with the effluent. Two methods were used to determine the concentration of Cl in mg/L, and the results are shown in the following table: Two different analytical methods were used to determine residual chlorine in Sample Method A Method B 0.39 0.36 2 0.84 1.35 3 1.76 2.56 4 3.35 3.92 4.69 5.35 6 7.70 8.33 7 10.52 10.70 10.92 10.91 a. What type of t test should be used to compare the two methods and why?

5. : sewage effluents. Both methods were used on the same samples, but each sample came from various locations with differing amounts of contact time with the effluent. Two methods were used to determine the concentration of Cl in mg/L, and the results are shown in the following table: Two different analytical methods were used to determine residual chlorine in Sample Method A Method B 0.39 0.36 2 0.84 1.35 3 1.76 2.56 4 3.35 3.92 4.69 5.35 6 7.70 8.33 7 10.52 10.70 10.92 10.91 a. What type of t test should be used to compare the two methods and why?

MATLAB: An Introduction with Applications
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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5. : Two different analytical methods were used to determine residual chlorine in sewage effluents. Both methods were used on the same samples, but each sample came from various locations with differing amounts of contact time with the effluent. Two methods were used to determine the concentration of Cl in mg/L, and the results are shown in the following table: Sample Method A Method B 1 0.39 0.36 2 0.84 1.35 3 1.76 2.56 4 3.35 3.92 5 4.69 5.35 6. 7.70 8.33 7 10.52 10.70 8. 10.92 10.91 a. What type oft test should be used to compare the two methods and why?
Transcribed Image Text:5. : Two different analytical methods were used to determine residual chlorine in sewage effluents. Both methods were used on the same samples, but each sample came from various locations with differing amounts of contact time with the effluent. Two methods were used to determine the concentration of Cl in mg/L, and the results are shown in the following table: Sample Method A Method B 1 0.39 0.36 2 0.84 1.35 3 1.76 2.56 4 3.35 3.92 5 4.69 5.35 6. 7.70 8.33 7 10.52 10.70 8. 10.92 10.91 a. What type oft test should be used to compare the two methods and why?
b. Do the two methods give different results? State and test the appropriate hypotheses. c. Does the conclusion depend on whether the 90%, 95%, or 99% confidence levels are used?
Transcribed Image Text:b. Do the two methods give different results? State and test the appropriate hypotheses. c. Does the conclusion depend on whether the 90%, 95%, or 99% confidence levels are used?
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