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The least-squares regression equation is y =712.6x+ 15,525 where y is the median income and x is the percentage of 25 years and older with at least a bachelor's degree in the region. The scatter diagram indicates a linear relation between the two variables with a correlation coefficient of 0.7682. Complete parts (a) through (d). 55000 25000 15 20 25 30 35 40 45 50 55 60 Bachelor's % (a) Predict the median income of a region in which 25% of adults 25 years and older have at least a bachelor's degree. (Round to the nearest dollar as needed.) (b) In a particular region, 27.8 percent of adults 25 years and older have at least a bachelor's degree. The median income in this region is $38,660. Is this income higher than what you would expect? Why? This is than expected because the expected income is $ (Round lar as needed.) lower higher

The least-squares regression equation is y =712.6x+ 15,525 where y is the median income and x is the percentage of 25 years and older with at least a bachelor's degree in the region. The scatter diagram indicates a linear relation between the two variables with a correlation coefficient of 0.7682. Complete parts (a) through (d). 55000 25000 15 20 25 30 35 40 45 50 55 60 Bachelor's % (a) Predict the median income of a region in which 25% of adults 25 years and older have at least a bachelor's degree. (Round to the nearest dollar as needed.) (b) In a particular region, 27.8 percent of adults 25 years and older have at least a bachelor's degree. The median income in this region is $38,660. Is this income higher than what you would expect? Why? This is than expected because the expected income is $ (Round lar as needed.) lower higher

Functions and Change: A Modeling Approach to College Algebra (MindTap Course List)
Functions and Change: A Modeling Approach to College Algebra (MindTap Course List)
6th Edition
ISBN:9781337111348
Author:Bruce Crauder, Benny Evans, Alan Noell
Publisher:Bruce Crauder, Benny Evans, Alan Noell
Chapter3: Straight Lines And Linear Functions
Section3.CR: Chapter Review Exercises
Problem 15CR: Life Expectancy The following table shows the average life expectancy, in years, of a child born in...
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The least-squares regression equation is y = 712.6x + 15,525 where y is the median income and x is the percentage of 25 years and older with at least a bachelor's degree in the region. The scatter diagram indicates a linear relation between the two variables with a correlation coefficient of 0.7682. Complete parts (a) through (d). 55000- 25000+ 15 20 25 30 35 40 45 50 55 60 Bachelor's % (a) Predict the median income of a region in which 25% of adults 25 years and older have at least a bachelor's degree. $ (Round to the nearest dollar as needed.) (b) In a particular region, 27.8 percent of adults 25 years and older have at least a bachelor's degree. The median income in this region is $38,660. Is this income higher than what you would expect? Why? This is than expected because the expected income is $ (Round "lar as needed.) lower higher of Median Income ....
Transcribed Image Text:The least-squares regression equation is y = 712.6x + 15,525 where y is the median income and x is the percentage of 25 years and older with at least a bachelor's degree in the region. The scatter diagram indicates a linear relation between the two variables with a correlation coefficient of 0.7682. Complete parts (a) through (d). 55000- 25000+ 15 20 25 30 35 40 45 50 55 60 Bachelor's % (a) Predict the median income of a region in which 25% of adults 25 years and older have at least a bachelor's degree. $ (Round to the nearest dollar as needed.) (b) In a particular region, 27.8 percent of adults 25 years and older have at least a bachelor's degree. The median income in this region is $38,660. Is this income higher than what you would expect? Why? This is than expected because the expected income is $ (Round "lar as needed.) lower higher of Median Income ....
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