Concept explainers
The bar graph at the top of the next column shown the differences among political identification groups on the Implicit Association Test that measures levels of racial prejudice. Higher scores indicate stronger bias.
- The data can be described by the following polynomial model of degree 3:
In this polynomial model, S represents the score on the Implicit Association Test for political identification group x. Simplify the model.
b. Use the simplified from of the model from part (a) to find the score on the Implicit Association Test for the slightly conservative political identification group. Does the model underestimate or overestimate the score displayed by the bar graph? By how much?
c. Show in a rectangular
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