Random sampling from four normally distributed populations produced the following
Random sampling from four normally distributed populations produced the following data:


a. Calculate the grand mean.
b. Calculate SSTR and MSTR .
c. Calculate SSE and MSE .
d. Specify the competing hypotheses in order to determine whether some differences exist between the population means.
e. Calculate the value of the F(df1, df2) test statistic.
f. Approximate the p-value.
g. At the 10% significance level, what is the conclusion to thetest?
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