A Harris Interactive poll reported that 32.4% of 275 randomly selected Americans living in the west stated that they attend church regularly. Whereas, 57.6% of 264 randomly selected Americans living...

A Harris Interactive poll reported that 32.4% of 275 randomly selected Americans living in the west stated that they attend church regularly. Whereas, 57.6% of 264 randomly selected Americans living in the south stated that they attend church regularly.

Based on the results of this poll, can one reach the conclusion that the proportion of Americans who attend church regularly is lower in the west than in the south? Use ! = 5%.