A 2013 Gallup poll asked randomly selected U.S. adults whether they wanted to stay at their current body weight or change. One purpose was to investigate whether there was any difference between men and women with regard to this aspect.
a. Identify the explanatory variable. Is it a categorical variable or a quantitative variable?
b. Identify the response variable. Is it a categorical variable or a quantitative variable?
c. Of the 562 men surveyed, 43% wanted to stay at their current weight, whereas of the 477 women surveyed, 36% wanted to stay at their current weight. Do the data provide any indication of a difference between how men and women perceive their current body weight? Explain using appropriate numbers.