An ANOVA comparing the waiting times for four different emergency rooms shows the following comparison of the four mean waiting times. Which two pairs of means are significantly different?

Question

An ANOVA comparing the waiting times for four different emergency rooms shows the following comparison of the four mean waiting times.  Which two pairs of means are significantly different?

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The Answer of An ANOVA comparing the waiting times for four different emergency rooms shows the following comparison of the four mean waiting times.  Which two pairs of means are significantly different?

An ANOVA Comparing the Waiting Times for Four Different Emergency