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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 23 64 45 33 (a) Develop a scatter diagram for these data with the percentage of women working in the company as the independent variable. 70 60 50 E 40 30 20+ 10 O 70 60 50- 40 30 20 10 ● 45 50 55 60 % Working . 65 70 75 . 45 50 • 55 60 65 70 % Working 75 O 70- 60- 50 40 30 20+ 10- • 45 50 55 60 % Working 65 70 75 70 60 50 40 30 20 10 ● 45 (b) What does the scatter diagram developed in part (a) indicate about the relationship between the two variables? 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. 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. 50 ● 55 60 % Working 65 70 75

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 23 64 45 33 (a) Develop a scatter diagram for these data with the percentage of women working in the company as the independent variable. 70 60 50 E 40 30 20+ 10 O 70 60 50- 40 30 20 10 ● 45 50 55 60 % Working . 65 70 75 . 45 50 • 55 60 65 70 % Working 75 O 70- 60- 50 40 30 20+ 10- • 45 50 55 60 % Working 65 70 75 70 60 50 40 30 20 10 ● 45 (b) What does the scatter diagram developed in part (a) indicate about the relationship between the two variables? 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. 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. 50 ● 55 60 % Working 65 70 75

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
Problem 1P
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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 % Management 50 23 64 45 33 % Management (a) Develop a scatter diagram for these data with the percentage of women working in the company as the independent variable. 70+ 60 70+ 60 50 50 40 40 30 30 20 20 10 10 45 67 45 73 50 ● 55 ● 60 Working 54 61 ● + 65 70 75 45 50 ● 55 60 % Working ● 65 70 75 70 60 50 40 30 20 10 ● 45 50 55 60 % Working 65 70 75 O 70+ 60 50 40 30 20 10 (b) What does the scatter diagram developed in part (a) indicate about the relationship between the two variables? 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. 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. ● 45 50 55 60 % Working 65 ● 70 75
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 % Management 50 23 64 45 33 % Management (a) Develop a scatter diagram for these data with the percentage of women working in the company as the independent variable. 70+ 60 70+ 60 50 50 40 40 30 30 20 20 10 10 45 67 45 73 50 ● 55 ● 60 Working 54 61 ● + 65 70 75 45 50 ● 55 60 % Working ● 65 70 75 70 60 50 40 30 20 10 ● 45 50 55 60 % Working 65 70 75 O 70+ 60 50 40 30 20 10 (b) What does the scatter diagram developed in part (a) indicate about the relationship between the two variables? 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. 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. ● 45 50 55 60 % Working 65 ● 70 75
(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 60 50 40 30 20 10- % Management 70 60 50 40 30 20 10 ŷ = 45 ● + 50 55 60 65 70 75 % Working % Management 45 (d) Develop the estimated regression equation by computing the values of bo and b₁. 0 50 55 60 % Working 65 70 75 O % Management 70 60 50 40 30 20 10 45 50 55 60 65 70 75 % Working (e) Predict the percentage of management jobs held by women in a company that has 62% women employees. Round your answer to one decimal place. % @O % Management 70 60 50 40 30 20 10 45 50 55 60 % Working 65 70 75 O
Transcribed Image Text:(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 60 50 40 30 20 10- % Management 70 60 50 40 30 20 10 ŷ = 45 ● + 50 55 60 65 70 75 % Working % Management 45 (d) Develop the estimated regression equation by computing the values of bo and b₁. 0 50 55 60 % Working 65 70 75 O % Management 70 60 50 40 30 20 10 45 50 55 60 65 70 75 % Working (e) Predict the percentage of management jobs held by women in a company that has 62% women employees. Round your answer to one decimal place. % @O % Management 70 60 50 40 30 20 10 45 50 55 60 % Working 65 70 75 O
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