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5. A study was conducted to determine the level of cyanide in 20 exposed spot (s the mine site are listed below: Spot Sol Water Spot Soll 1. 2.5 4.9 11 1.8 2 6.9 7.0 12 1.8 3.1 5.9 13 6.0 4 3.3 2.9 14 20.0 2.1 4.4 15 3.0

5. A study was conducted to determine the level of cyanide in 20 exposed spot (s the mine site are listed below: Spot Sol Water Spot Soll 1. 2.5 4.9 11 1.8 2 6.9 7.0 12 1.8 3.1 5.9 13 6.0 4 3.3 2.9 14 20.0 2.1 4.4 15 3.0

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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Maintain 4-decimal places.

5. A study was conducted to determine the level of cyanide in 20 exposed spot (soil and water) within the mine site are listed below: Spot Soil Water Spot Soll Water 2.5 4.9 11 1.8 4.2 2 6.9 7.0 12 1.8 1.1 3 3.1 5.9 13 6.0 10.0 4 3.3 2.9 14 20.0 11.0 2.1 4.4 15 3.0 5.5 4.6 4.6 16 2.0 2.5 7 3.5 6.9 17 36.0 41.0 8. 1.6 1.4 18 2.5 2.3 9. 3.1 7.0 19 4.7 4.4 10 7.2 7.7 20 4.1 2.5 a. What is the value of the point estimate? b. Find a 95% confidence interval for the mean difference, where mean1 and mean2 represent the true mean level of cyanide in water and soil, respectively. Assume the distribution of the differences to be approximately normal.
Transcribed Image Text:5. A study was conducted to determine the level of cyanide in 20 exposed spot (soil and water) within the mine site are listed below: Spot Soil Water Spot Soll Water 2.5 4.9 11 1.8 4.2 2 6.9 7.0 12 1.8 1.1 3 3.1 5.9 13 6.0 10.0 4 3.3 2.9 14 20.0 11.0 2.1 4.4 15 3.0 5.5 4.6 4.6 16 2.0 2.5 7 3.5 6.9 17 36.0 41.0 8. 1.6 1.4 18 2.5 2.3 9. 3.1 7.0 19 4.7 4.4 10 7.2 7.7 20 4.1 2.5 a. What is the value of the point estimate? b. Find a 95% confidence interval for the mean difference, where mean1 and mean2 represent the true mean level of cyanide in water and soil, respectively. Assume the distribution of the differences to be approximately normal.
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