A survey of 1,700 shoppers were asked, "Does social media influence your purchase decisions?" The results, available at bit.ly/1JVaKoh, indicated that 20.3% of females responded that their purchase decisions are influenced by social media compared to 10.5% of males. The sample sizes of males and females were not provided.
Suppose that the results were as shown in the following table:

a. Construct contingency tables based on total percentages, row percentages, and column percentages.
b. What conclusions can you reach from these analyses?

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GENDER INFLUENCED Yes No Total Male 89 761 850 Female 173 677 850 Total 262 1,438 1.700