This table shows the number of daily newspapers in the United States, the daily circulation, and the total U.S. population, for selected years.

a. What is the correlation coefficient between the number of daily newspapers and the population?
What does this mean?
b. What is the correlation between daily circulation and the total population?
c. For each year, what percentage of the population reads a daily paper? What does this mean? What are the trends? What are the implications of the data?

Transcribed Image Text:

Daily Newspapers in the United States Number of Daily circulation Total population Year daily papers(millions)(millions) 1900 1920 1940 1960 1980 2000 2226 2042 1878 1763 1745 1480 15.1 27.8 41.1 58.9 62.2 55.8 76.2 106.0 132.1 179.3 226.5 248.7