A state environmental agency tested three different scrubbers used to reduce the resulting air pollution in the generation of electricity. The primary concern was the emission of particulate matter. Several trials were run with each scrubber. The amount of particulate emission was recorded for each trial.

a. State the mathematical model for this experiment.

b. State the null and alternative hypotheses.

c. Calculate and form the ANOVA table.

d. Complete the testing of Ho using a 0.05 level of significance. State the decision and conclusion clearly.

e. Construct a graph representing the data that is helpful in picturing the results of the hypothesis test.

Transcribed Image Text:

[PT12-14] Amounts of Emission Scrubber I 11 10 12 9 13 12 Scrubber II 12 10 12 8 9 Scrubber III 9 11 10 7 8