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The table available below shows three samples obtained independently from three populations. 
a. Conduct a one-way analysis of variance on the data. Use a= 0.05. 
b. If warranted, use the Tukey-Kramer procedure to determine which populations have different means. Use an experiment-wide error rate of 0.05.

Item Group1 Group 2 Group 3
1 13 18 17
2 11 19 14
3 13 19 15
4 12 19 17
5 14 17 15

  To conduct the analysis,
    i) State the decision rule. 
    ii) Determine the value of the test statistic
    iii) Determine the value of the p-value
    iv) And determine the decision reached from the analysis of the data.