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The following data give the percentage of women working in five companies in the retail and trade industry. The percentage of management jobs held by women in each company is also shown. 67 45 73 54 61 % Working % Management 50 20 63 | 31 (a) Develop a scatter diagram for these data with the percentage of women working in the company as the independent variable. 70 70- 70 70 60 60 60 60 50 50 50 50 40 E 30- * 20 o 40 * 40 40 30- * 20 30 30 20 * 20- 10 10 10 10 45 50 55 60 65 70 75 45 50 55 60 65 70 75 45 50 55 60 65 70 75 45 50 55 60 65 70 75 % Working % Working % Working % Working (b) What does the scatter diagram developed in part (a) indicate about the relationship between the two variables? O There appears to be no noticeable relationship between the percentage of women working in the five companies and the percentage of management jobs held by women in each company. There appears to be a negative linear relationship between the percentage of women working in the five companies and the percentage of management jobs held by women in each company. O There appears to be a positive linear relationship between the percentage of women working in the five companies and the percentage of management jobs held by women in each company. (e) Try to approximate the relationship between the percentage of women working in the company and the percentage of management jobs held by women in that company. 70 60 70 70 70 60 60 60 50 50- 50 50 40 40 o 40 40 30 30 30 30 20 20 20 20 10 10 10- 10 45 50 55 60 65 70 75 45 50 55 60 65 70 75 45 50 55 60 65 70 75 45 50 55 60 65 70 75 % Working % Working % Working % Working (d) Develop the estimated regression equation by computing the values of bo and b anagement

The following data give the percentage of women working in five companies in the retail and trade industry. The percentage of management jobs held by women in each company is also shown. 67 45 73 54 61 % Working % Management 50 20 63 | 31 (a) Develop a scatter diagram for these data with the percentage of women working in the company as the independent variable. 70 70- 70 70 60 60 60 60 50 50 50 50 40 E 30- * 20 o 40 * 40 40 30- * 20 30 30 20 * 20- 10 10 10 10 45 50 55 60 65 70 75 45 50 55 60 65 70 75 45 50 55 60 65 70 75 45 50 55 60 65 70 75 % Working % Working % Working % Working (b) What does the scatter diagram developed in part (a) indicate about the relationship between the two variables? O There appears to be no noticeable relationship between the percentage of women working in the five companies and the percentage of management jobs held by women in each company. There appears to be a negative linear relationship between the percentage of women working in the five companies and the percentage of management jobs held by women in each company. O There appears to be a positive linear relationship between the percentage of women working in the five companies and the percentage of management jobs held by women in each company. (e) Try to approximate the relationship between the percentage of women working in the company and the percentage of management jobs held by women in that company. 70 60 70 70 70 60 60 60 50 50- 50 50 40 40 o 40 40 30 30 30 30 20 20 20 20 10 10 10- 10 45 50 55 60 65 70 75 45 50 55 60 65 70 75 45 50 55 60 65 70 75 45 50 55 60 65 70 75 % Working % Working % Working % Working (d) Develop the estimated regression equation by computing the values of bo and b anagement

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
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The following data give the percentage of women working in five companies in the retail and trade industry. The percentage of management jobs held by women in each company is also shown. % Working 67 45 73 54 61 % Management 50 20 63 46 31 (a) Develop a scatter diagram for these data with the percentage of women working in the company as the independent variable. 70 70 70- 70- 60- 60 60 60 50 50- 50 50 40 40- 40 40 30 30 30 30 20 * 20 * 20 * 20 10 10 10 10 45 50 55 60 65 70 75 45 50 55 60 65 70 75 45 50 55 60 65 70 75 45 50 55 60 65 70 75 % Working % Working % Working % Working (b) What does the scatter diagram developed in part (a) indicate about the relationship between the two variables? O There appears to be no noticeable relationship between the percentage of women working in the five companies and the percentage of management jobs held by women in each company. O There appears to be a negative linear relationship between the percentage of women working in the five companies and the percentage of management jobs held by women in each company. O There appears to be a positive linear relationship between the percentage of women working in the five companies and the percentage of management jobs held by women in each company. (c) Try to approximate the relationship between the percentage of women working in the company and the percentage of management jobs held by women in that company. 70 70 70 70 60 60- 60- 60 50 0- 50 50- 50 40 40 40 40 30 30 30 30 20 20 20 20 10 10 10 10 45 50 55 60 65 70 75 45 50 55 60 65 70 75 45 50 55 60 65 70 75 45 50 55 60 65 70 75 % Working % Working % Working % Working (d) Develop the estimated regression equation by computing the values of b, and b,. (e) Predict the percentage of management jobs held by women in a company that has 60% women employees. % % Management % Management % Management % Management % Management % Management % Management % Management
Transcribed Image Text:The following data give the percentage of women working in five companies in the retail and trade industry. The percentage of management jobs held by women in each company is also shown. % Working 67 45 73 54 61 % Management 50 20 63 46 31 (a) Develop a scatter diagram for these data with the percentage of women working in the company as the independent variable. 70 70 70- 70- 60- 60 60 60 50 50- 50 50 40 40- 40 40 30 30 30 30 20 * 20 * 20 * 20 10 10 10 10 45 50 55 60 65 70 75 45 50 55 60 65 70 75 45 50 55 60 65 70 75 45 50 55 60 65 70 75 % Working % Working % Working % Working (b) What does the scatter diagram developed in part (a) indicate about the relationship between the two variables? O There appears to be no noticeable relationship between the percentage of women working in the five companies and the percentage of management jobs held by women in each company. O There appears to be a negative linear relationship between the percentage of women working in the five companies and the percentage of management jobs held by women in each company. O There appears to be a positive linear relationship between the percentage of women working in the five companies and the percentage of management jobs held by women in each company. (c) Try to approximate the relationship between the percentage of women working in the company and the percentage of management jobs held by women in that company. 70 70 70 70 60 60- 60- 60 50 0- 50 50- 50 40 40 40 40 30 30 30 30 20 20 20 20 10 10 10 10 45 50 55 60 65 70 75 45 50 55 60 65 70 75 45 50 55 60 65 70 75 45 50 55 60 65 70 75 % Working % Working % Working % Working (d) Develop the estimated regression equation by computing the values of b, and b,. (e) Predict the percentage of management jobs held by women in a company that has 60% women employees. % % Management % Management % Management % Management % Management % Management % Management % Management
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