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Polyelectrolytes are often used in industrial applications to separate oil and water. The decomposition process is based on the control of the pH level. The

Polyelectrolytes are often used in industrial applications to separate oil and water. The decomposition process is based on the control of the pH level. The pH value of 15 in the wastewater was recorded. Is it okay to model this data using a normal distribution? this is a statistics question please solve it with the chi-square test.

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6.2 6.5 7.6 7.7 7.1 7.1 7.9 8.4 7.0 7.3 6.8 7.6 8.0 7.1 7.0

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