Bleaching Chemicals Are Used in the Pulp and Paper Industry

question 49

Multiple Choice

Bleaching chemicals are used in the pulp and paper industry to increase the brightness of the paper that is produced.Four chemical agents were studied to determine their effect on the brightness of paper produced from pulp treated with the chemical.The following tables provide some details obtained from the experimental data. The null hypothesis H_o: was established for the ANOVA.
What is the appropriate alternative hypothesis?

• A)H_a:
• B)H_a: none of the Is equal to any other
• C)H_a: all of the pairs of the Are different
• D)H_a: one of the Is different from all the others
• E)H_a: not all of the Are equal

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