Question: The Top 25 global research organizations include companies such as
The Top 25 global research organizations include companies such as The Nielsen Company, the Ipsos Group, and Harris Interactive. Data about global research revenues (in US$ millions) and the number of full-time employees have been collected for 2007.1 The question that interests the researcher is this: Do research companies with more employees have larger revenues? In this data set, which is the response variable and which is the explanatory variable? Create a scatter diagram, estimate the least squares regression equation, and interpret it.
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