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ANOVA problem for comparing 3 treatment means

1. Using the Raw Data State a relevant and useful "ANOVA Type" hypothesis for these 3 populations. This Hypothesis should compare the means between the 3.
2. Perform the 5 steps of hypothesis testing procedure
3. Please present the calculations and results and Graphs
4. Make all possible observations and interpret the results

Raw Data New Jersey gasoline prices of 30 Exxon, Shell, and Sunoco stations
(Ranked from lowest to highest price)

Exxon Shell Sunoco
2.71 2.71 2.71
2.72 2.71 2.71
2.72 2.71 2.71
2.72 2.71 2.71
2.73 2.72 2.72
2.73 2.72 2.72
2.74 2.72 2.72
2.76 2.76 2.76
2.76 2.76 2.76
2.76 2.76 2.76
2.76 2.78 2.76
2.76 2.78 2.79
2.77 2.78 2.79
2.78 2.79 2.79
2.79 2.79 2.79
2.79 2.79 2.79
2.79 2.79 2.79
2.79 2.79 2.79
2.79 2.79 2.79
2.81 2.79 2.79
2.81 2.79 2.79
2.82 2.82 2.79
2.82 2.82 2.81
2.84 2.82 2.82
2.85 2.82 2.84
2.86 2.85 2.85
2.86 2.86 2.86
2.89 2.86 2.86
2.99 2.86 2.86
3.79 3.72 3.76

Solution Summary

Step by step method for testing the hypothesis under 5 step approach is discussed here. Excel template for each problem is also included. This template can be used to obtain the answers of similar problems.

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