The author of the article “Food and Eating on Television: Impacts and Influences” (Nutr. and Food Sci. 2000: 24–29) examined hundreds of hours of BBC television footage and categorized food images for both TV programs and commercials. The data presented here is consistent with information in the article; one of the research goals was to compare food images in ads and programs.

a. Why is it inappropriate to compare frequencies (counts) between program images and commercial images?
b. Obtain the relative frequency distribution for the variable food category among images in TV programs. Create a graph of the distribution.
c. Repeat part (b) for food images in commercials.
d. Contrast the two distributions: what are the biggest differences between the types of food images in TV programs and those in commercials?

Transcribed Image Text:

Food category Milk and dairy products Breads, cereals, and potatoes Meat, fish, and alternatives Fruits and vegetables Fatty and sugary foods Total Number of food images TV Programs Commercials 99 346 198 32 149 372 248 694 322 n = 1785 511 n = 1186