The standard pH of a drinking water of MRWD is pH 7.0, the pH obtained from several water station are as follows: Station 1              7.8          Station 2              6.5          Station 3              5.8          Station 4              8.9 Station 5              6.8          Station 6              5.8          Station 7              9.0          Station 8              6.9 Test the hypothesis that the drinking water of the MRWD is safe for drinking.

Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter1: Functions
Section1.2: The Least Square Line
Problem 7E
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The standard pH of a drinking water of MRWD is pH 7.0, the pH obtained from several water station are as follows:

Station 1              7.8          Station 2              6.5          Station 3              5.8          Station 4              8.9

Station 5              6.8          Station 6              5.8          Station 7              9.0          Station 8              6.9

Test the hypothesis that the drinking water of the MRWD is safe for drinking.

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