For a sponsor, Ethyl Gasoline, CBS statisticians last week prepared an analysis of U. S. radio listening, coast to coast:
> Of the 33,000,000 U. S. homes, 28,000,000 families own radios. Also in use are 6,500,000 auto radios, 10,500,000 extra sets. Total: 45,000,000.
> Eighty-three and one-half per cent of radio homes tune in daily, for an average 5.1 hours. Reckoned "family hours of listening" daily: 119,238,000.
> In each daily tuning home, an average of three members of the family hear the radio every day. Estimated total U. S. audience: 70,140,000.
>In 1939, some...