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4.38 Teaching and research. A college newspaper dent ratings of the teaching of faculty member dence indicates that the correlation between th ing rating of faculty members is close to zero. McDaniel said that good researchers tend to be plain why the paper's report is wrong. Write a sta the word "correlation") to explain the psycholog

4.38 Teaching and research. A college newspaper dent ratings of the teaching of faculty member dence indicates that the correlation between th ing rating of faculty members is close to zero. McDaniel said that good researchers tend to be plain why the paper's report is wrong. Write a sta the word "correlation") to explain the psycholog

Big Ideas Math A Bridge To Success Algebra 1: Student Edition 2015
Big Ideas Math A Bridge To Success Algebra 1: Student Edition 2015
1st Edition
ISBN:9781680331141
Author:HOUGHTON MIFFLIN HARCOURT
Publisher:HOUGHTON MIFFLIN HARCOURT
Chapter4: Writing Linear Equations
Section4.5: Analyzing Lines Of Fit
Problem 31E
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points up or down u to 0.7. Make a roug he the correlation between municipal bonds and small-cap stocks is O.21. (a) Rachel invests heavily in municipal bonds. She wants to diversify by adding an investment whose returns do not closely follow the returns on her bonds Should she choose large-cap stocks or small-cap stocks for this purpose? Explain The following exercises as outlined for you. The exer In your work, follow the your answer. (b) If Rachel wants an investment that tends to increase when the return on her bonds drops, what kind of correlation should she look for? page 55. 4.38 Teaching and research. A college newspaper interviews a psychologist about stu- dent ratings of the teaching of faculty members. The psychologist says, "The evi- dence indicates that the correlation between the research productivity and teach- ing rating of faculty members is close to zero." The paper reports this as "Professor McDaniel said that good researchers tend to be poor teachers, and vice versa." Ex- plain why the paper's report is wrong. Write a statement in plain language (don't use the word "correlation") to explain the psychologist's meaning. 4.42 Brighter sunlight? Th time depending on whe dimmed between 1960 countries. Did sunlight over only clear days eac variable is solar radiatio 4.39 Sloppy writing about correlation. Each of the following statements contains a blunder. Explain in each case what is wrong. Year 1992 (a) "There is a high correlation between the gender of American workers and their 1993 Sun 243.2 246.0 248.0 1994 income." (b) "We found a high correlation (r = 1.09) between students' ratings of faculty %3D teaching and ratingr modo th
Transcribed Image Text:points up or down u to 0.7. Make a roug he the correlation between municipal bonds and small-cap stocks is O.21. (a) Rachel invests heavily in municipal bonds. She wants to diversify by adding an investment whose returns do not closely follow the returns on her bonds Should she choose large-cap stocks or small-cap stocks for this purpose? Explain The following exercises as outlined for you. The exer In your work, follow the your answer. (b) If Rachel wants an investment that tends to increase when the return on her bonds drops, what kind of correlation should she look for? page 55. 4.38 Teaching and research. A college newspaper interviews a psychologist about stu- dent ratings of the teaching of faculty members. The psychologist says, "The evi- dence indicates that the correlation between the research productivity and teach- ing rating of faculty members is close to zero." The paper reports this as "Professor McDaniel said that good researchers tend to be poor teachers, and vice versa." Ex- plain why the paper's report is wrong. Write a statement in plain language (don't use the word "correlation") to explain the psychologist's meaning. 4.42 Brighter sunlight? Th time depending on whe dimmed between 1960 countries. Did sunlight over only clear days eac variable is solar radiatio 4.39 Sloppy writing about correlation. Each of the following statements contains a blunder. Explain in each case what is wrong. Year 1992 (a) "There is a high correlation between the gender of American workers and their 1993 Sun 243.2 246.0 248.0 1994 income." (b) "We found a high correlation (r = 1.09) between students' ratings of faculty %3D teaching and ratingr modo th
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