social scientist sampled 140 people and classified them according to income level and whether or not they played the lottery (LOTTO) in the last month. The sample information is reported below. Is it reasonable to conclude that playing the lottery is related to income level? Use the .05 significance level.   INCOME   LOW MIDDLE HIGH TOTAL PLAYED 46 48 21 115 DID NOT PLAY 14 12 1

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2-Proportion Test

In a 2-proportion test, two separate proportions are measured at the same time, and their similarity is evaluated. It is also known as a 2-proportion z-test, and a comparison of two different proportions is done in this method.