The color vision of birds plays a role in their foraging behavior: Birds use color to select and avoid certain types of food. The authors of the article “Colour Avoidance in Northern Bobwhites: Effects of Age, Sex, and Previous Experience” (Animal Behaviour : 519–526) studied the pecking behavior of 1-day-old bobwhites. In an area painted white, they inserted four pins with different colored heads. The color of the pin chosen on the bird’s first peck was noted for each of 33 bobwhites, resulting in the accompanying table.
Do the data provide evidence of a color preference? Test using a = .01.
Answer to relevant QuestionsIn November 2005, an international study to assess public opinion on the treatment of suspected terrorists was conducted (“Most in U.S., Britain, S. Korea and France Say Torture Is OK in at Least Rare Instances,” ...The article “Cooperative Hunting in Lions: The Role of the Individual” (Behavioral Ecology and Sociobiology : 445–454) discusses the different roles taken by lionesses as they attack and capture prey. The authors ...The paper “Cigarette Tar Yields in Relation to Mortality from Lung Cancer in the Cancer Prevention Study II Prospective Cohort” (British Medical Journal : 72–79) included the accompanying data on the tar level of ...The report described in the previous exercise also classified students according to region of residence and whether or not they had a credit card with a balance of more than $7000. Do these data support the conclusion that ...The following quote describing 18- to 29-yearolds is from the article “Study: Millennial Generation More Educated, Less Employed” (USA Today, February 23, 2010): “38% have a tattoo (and half of those with tattoos have ...
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