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The following table shows the annual revenues (in millions of dollars) of a pharmaceutical company over the period 1990-2011.
The scatterplot indicates that the annual revenues have an increasing trend. Linear, exponential, quadratic, and cubic models were fit to the data starting with t = 1, and the following output was generated.
Which of the following is a linear trend equation?
Festinger's Social Comparison Theory
A psychological theory proposing that individuals determine their own social and personal worth based on how they compare themselves to others.
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