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1. Explain, as to another student, how you would use the TI-84 to find a linear regression to model this data, where x represents the number of days since Mar 1 and y represents President Anderson's approval rating in percent. Write your linear model as a linear function y = ax + b. 2. What is the slope of your linear model? What does this slope tell us about President Anderson's approval rating?

1. Explain, as to another student, how you would use the TI-84 to find a linear regression to model this data, where x represents the number of days since Mar 1 and y represents President Anderson's approval rating in percent. Write your linear model as a linear function y = ax + b. 2. What is the slope of your linear model? What does this slope tell us about President Anderson's approval rating?

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section11.4: Collecting Data
Problem 6E
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President Ann Anderson is currently running for reelection. Many approval polls are taken on her job with different methodologies and sample sizes. The results of the ten most recent polls are given below. Date Job approval rating % (point estimate) 3/1 43.3 3/3 42.7 3/7 42.0 3/10 40.1 3/14 42.8 3/17 40.4 3/20 41.7 3/23 40.0 3/24 38.7 3/28 39.7 1. Explain, as to another student, how you would use the TI-84 to find a linear regression to model this data, where x represents the number of days since Mar 1 and y represents President Anderson's approval rating in percent. Write your linear model as a linear function y = ax + b. 2. What is the slope of your linear model? What does this slope tell us about President Anderson's approval rating?
Transcribed Image Text:President Ann Anderson is currently running for reelection. Many approval polls are taken on her job with different methodologies and sample sizes. The results of the ten most recent polls are given below. Date Job approval rating % (point estimate) 3/1 43.3 3/3 42.7 3/7 42.0 3/10 40.1 3/14 42.8 3/17 40.4 3/20 41.7 3/23 40.0 3/24 38.7 3/28 39.7 1. Explain, as to another student, how you would use the TI-84 to find a linear regression to model this data, where x represents the number of days since Mar 1 and y represents President Anderson's approval rating in percent. Write your linear model as a linear function y = ax + b. 2. What is the slope of your linear model? What does this slope tell us about President Anderson's approval rating?
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