Question: Use Figure 4.1 to compare the PopRate for each of the four factor- level combinations. Do the four groups appear to have similar means or

Use Figure 4.1 to compare the PopRate for each of the four factor- level combinations. Do the four groups appear to have similar means or similar standard deviations? Are there any outliers (extreme observations that don’t seem to fit the rest of the data)? Describe any patterns you see in the data.

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