Question: You performed a randomized complete block experiment. You used an ANOVA to calculate the mean difference in treatments. You found a significant mean difference at

You performed a randomized complete block experiment. You used an ANOVA to calculate the mean difference in treatments. You found a significant mean difference at the 5-percent level. However, when reviewing your ANOVA assumptions, you found a slight departure in normality. Explain how this departure affects your statistical analysis.

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=+c) Why did you probably not need to look up the critical value in b) to reach your conclusion?

=+b) Look up the 0.001 upper critical value for a z-statistic and state your conclusion about the test.

=+a) Explain what the z-statistic means in this context.