A PEW Research Center survey concentrated on the issue of weight loss. It investigated how many pounds heavier the respondents were than their perceived ideal weight. It investigated whether these perceptions differed among different regions of the country and gender of the respondents. The following data (pounds) reflect the survey results:

a. Determine if there is interaction between Region and Gender. Use the p -value approach and a significance level of 0.05.
b. Given your findings in part a, determine any significant differences among the discrepancy between the average existing and desired weights in the regions.
c. Repeat part b for the Gender factor.

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Region Gender West Midwest South Northeast 18 16 20 18 Men 14 13 16 13 15 15 17 17 16 14 17 13 Women