The bar graph shows the differences among age groups on the Implicit Association Test that measures levels of racial prejudice. Higher scores indicate stronger bias. Exercises 91-92 are based on the information in the graph. In these exercises, the possible values of the variable x are the group numbers shown in the voice balloons below the bars in the graph. Score on the Implicit Association Test 44 42 40 38 36 34 32 30 28 33 Group 1 Measuring Racial Prejudice, by Age Key: <15: little or no bias 15-35: slight bias 35-65: moderate bias 35 32 Group 2 29 Below 18-24 25-34 35-44 45-54 55-64 18 Group 3 -31 Group Group 4 5 34 Group 6 S = 0.2x³1.5x² + 3.4x + 25 42 65+ Group 7 Age Range Source: The Race Implicit Association Test on the Project Implicit Demonstration Website 1. a. The data can be described by the following polynomial model of degree 3: + (0.1x³ - 1.3x² + 3.3x + 5). In this polynomial model, S represents the score on the Implicit Association Test for age group x. Simplify the model. b. Use the simplified form of the model from part (a) to find the score on the Implicit Association Test for the group in the 45-54 age range. How well does the model describe the score displayed by the bar graph? my
The bar graph shows the differences among age groups on the Implicit Association Test that measures levels of racial prejudice. Higher scores indicate stronger bias. Exercises 91-92 are based on the information in the graph. In these exercises, the possible values of the variable x are the group numbers shown in the voice balloons below the bars in the graph. Score on the Implicit Association Test 44 42 40 38 36 34 32 30 28 33 Group 1 Measuring Racial Prejudice, by Age Key: <15: little or no bias 15-35: slight bias 35-65: moderate bias 35 32 Group 2 29 Below 18-24 25-34 35-44 45-54 55-64 18 Group 3 -31 Group Group 4 5 34 Group 6 S = 0.2x³1.5x² + 3.4x + 25 42 65+ Group 7 Age Range Source: The Race Implicit Association Test on the Project Implicit Demonstration Website 1. a. The data can be described by the following polynomial model of degree 3: + (0.1x³ - 1.3x² + 3.3x + 5). In this polynomial model, S represents the score on the Implicit Association Test for age group x. Simplify the model. b. Use the simplified form of the model from part (a) to find the score on the Implicit Association Test for the group in the 45-54 age range. How well does the model describe the score displayed by the bar graph? my
Algebra and Trigonometry (6th Edition)
6th Edition
ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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