Question: The table shows the prices (in dollars) for a sample of automobile batteries. The prices are classified according to battery type. At = 0.05, is
The table shows the prices (in dollars) for a sample of automobile batteries. The prices are classified according to battery type. At = 0.05, is there enough evidence to conclude that at least one mean battery price is different from the others? Assume the samples are random and independent, the populations are normally distributed, and the population variances are equal.
\begin{tabular}{|l|r|r|r|r|r|r|} \hline Group size 35 & 90 & 90 & 75 & 105 & 65 & \\ \hline Group size 65 & 100 & 75 & 105 & 110 & 90 & 90 \\ \hline Group size 24/24F & 115 & 75 & 75 & 90 & 110 & 90 \\ \hline \end{tabular}
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