Box and whisker plots are often useful for determining whether two populations have distributions that might each be normally distributed.

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Box and whisker plots can be used to visually compare the medians, quartiles, and overall spread of two populations. If the box and whisker plots for the two populations are similar, it may suggest that the distributions for each population are similar and possibly normally distributed. However, other statistical tests may be needed to confirm this.

Box and Whisker Plots Are Often Useful for Determining Whether