The data below were published in the March 1, 1984, issue of the Wall Street Journal. They
relate to the advertising budget (in millions of dollars) of 21 firms for 1983 and millions of
impressions retained per week by the viewers of the products of these firms. The data are based
on a survey of 4000 adults in which users of the products were asked to cite a commercial they
had seen for the product category in the past week