In a poll conducted July 2729, 2010, a random sample of 2163 adults (aged 18 and over) was asked, When you see an ad emphasizing

In a poll conducted July 27€“29, 2010, a random sample of 2163 adults (aged 18 and over) was asked, €œWhen you see an ad emphasizing that a product is €˜Made in America€™, are you more likely to buy it, less likely to buy it, or neither more nor less likely to buy it?€ The results of the survey are presented in the side-by-side bar graph.

(a) What proportion of 18 to 34-year-old respondents are more likely to buy when made in America? What proportion of 35- to 44-year-old respondents are more likely to buy when made America?
(b) Which age group has the greatest proportion who are more likely to buy when made in America?
(c) Which age group has a majority of respondents who are less likely to buy when made in America?
(d) What is the apparent association between age and likelihood to buy when made in America?
 

Likelihood to Buy When Made in America 0.80 O More likely OLess likely ONeither 0.70 0.60 0.50 0.40 0.30 0.20 0.10 18-34 35-44 45-54 55+ Age Relative Frequency