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The least-squares regression equation is y = 753.6x+ 12,900 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 inear relation between the two variables with a correlation coefficient of 55000– D.8274. Complete parts (a) through (d). 20000+ 15 20 25 30 35 40 45 50 55 60 Bachelor's % (a) Predict the median income of a region in which 20% 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, 28.8 percent of adults 25 years and older have at least a bachelor's degree. The median income in this region is $37,925. Is this income higher than what you would expect? Why? This is V than expected because the expected income is $ Round to the nearest dollar as needed.) Median Income

The least-squares regression equation is y = 753.6x+ 12,900 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 inear relation between the two variables with a correlation coefficient of 55000– D.8274. Complete parts (a) through (d). 20000+ 15 20 25 30 35 40 45 50 55 60 Bachelor's % (a) Predict the median income of a region in which 20% 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, 28.8 percent of adults 25 years and older have at least a bachelor's degree. The median income in this region is $37,925. Is this income higher than what you would expect? Why? This is V than expected because the expected income is $ Round to the nearest dollar as needed.) Median Income

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 = 753.6x + 12,900 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 55000- linear relation between the two variables with a correlation coefficient of 0.8274. Complete parts (a) through (d). 20000+ 15 20 25 30 35 40 45 50 55 60 Bachelor's % (a) Predict the median income of a region in which 20% 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, 28.8 percent of adults 25 years and older have at least a bachelor's degree. The median income in this region is $37,925. Is this income higher than what you would expect? Why? This is than expected because the expected income is $ (Round to the nearest dollar as needed.) (c) Interpret the slope. Select the correct choice below and fill in the answer box to complete your choice. (Type an integer or decimal. Do not round.) O A. For every dollar increase in median income, the percent of adults having at least a bachelor's degree is %, on average. B. For a median income of $0, the percent of adults with a bachelor's degree is %. Median Income
Transcribed Image Text:The least-squares regression equation is y = 753.6x + 12,900 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 55000- linear relation between the two variables with a correlation coefficient of 0.8274. Complete parts (a) through (d). 20000+ 15 20 25 30 35 40 45 50 55 60 Bachelor's % (a) Predict the median income of a region in which 20% 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, 28.8 percent of adults 25 years and older have at least a bachelor's degree. The median income in this region is $37,925. Is this income higher than what you would expect? Why? This is than expected because the expected income is $ (Round to the nearest dollar as needed.) (c) Interpret the slope. Select the correct choice below and fill in the answer box to complete your choice. (Type an integer or decimal. Do not round.) O A. For every dollar increase in median income, the percent of adults having at least a bachelor's degree is %, on average. B. For a median income of $0, the percent of adults with a bachelor's degree is %. Median Income
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