0.56 ppm is the maximum authorized concentration of phosphate in drinking water. Given below is the analysis of various samples of bottled water from the same batch of production. a. Is there an outlier present in the data set at 95% confidence interval? b. What is the t-tab and t-calc for the data set? c. Can the water be used for drinking? Sample Phosphate (ppm) 1 0.26 2 0.46 3 0.41 4 0.49 5 0.43 6 0.38

0.56 ppm is the maximum authorized concentration of phosphate in drinking water. Given below is the analysis of various samples of bottled water from the same batch of production. a. Is there an outlier present in the data set at 95% confidence interval? b. What is the t-tab and t-calc for the data set? c. Can the water be used for drinking? Sample Phosphate (ppm) 1 0.26 2 0.46 3 0.41 4 0.49 5 0.43 6 0.38

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

0.56 ppm is the maximum authorized concentration of phosphate in drinking water. Given below is the analysis of various samples of bottled water from the same batch of production.

a. Is there an outlier present in the data set at 95% confidence interval?

b. What is the t-tab and t-calc for the data set?

c. Can the water be used for drinking?