8. The analyst in Dorben Company made 10 independent time studies in the hand paint spraying section of the finishing department. The product line under study revealed a direct relation between spraying time and product surface area. The fol- lowing data were collected: Study no. 1 1234567890 Rating factor 0.95 1.00 1.05 0.80 1.20 00.0 1.00 0.85 0.90 1.00 1.10 Product surface area 170 12 150 41 130 50 120 70 105 95 Standard time 0.32 0.11 0.31 0.14 0.27 0.18 0.24 0.23 0.25 0.22 Compute the slope and intercept constant, using regression line equations. How much spray time would you allow for a new part with a surface area of 250 in²?
8. The analyst in Dorben Company made 10 independent time studies in the hand paint spraying section of the finishing department. The product line under study revealed a direct relation between spraying time and product surface area. The fol- lowing data were collected: Study no. 1 1234567890 Rating factor 0.95 1.00 1.05 0.80 1.20 00.0 1.00 0.85 0.90 1.00 1.10 Product surface area 170 12 150 41 130 50 120 70 105 95 Standard time 0.32 0.11 0.31 0.14 0.27 0.18 0.24 0.23 0.25 0.22 Compute the slope and intercept constant, using regression line equations. How much spray time would you allow for a new part with a surface area of 250 in²?
Algebra for College Students
10th Edition
ISBN:9781285195780
Author:Jerome E. Kaufmann, Karen L. Schwitters
Publisher:Jerome E. Kaufmann, Karen L. Schwitters
Chapter9: Polynomial And Rational Functions
Section9.5: Graphing Rational Functions
Problem 37PS
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Transcribed Image Text:8. The analyst in Dorben Company made 10 independent time studies in the hand
paint spraying section of the finishing department. The product line under study
revealed a direct relation between spraying time and product surface area. The fol-
lowing data were collected:
Study no.
Rating factor
Product surface area
Standard time
1
0.95
170
0.32
234
1.00
12
0.11
2000 1.05
150
0.31
0.0 0.80
41
0.14
5
1.20
130
0.27
10
67890
200.0 1.00
50
0.18
0.85
120
0.24
0.90
70
0.23
1.00
105
0.25
1.10
95
0.22
Compute the slope and intercept constant, using regression line equations. How
much spray time would you allow for a new part with a surface area of 250 in²?
Transcribed Image Text:Standard Data:
(4) Do problem 8 on page 503 (Chapter 12) of the textbook. Note: Standard time column includes rating
and allowances.
The problem sheet is given separately as a pdf file. Show calculations clearly on a separate
sheet. Draw the relationship clearly on a graph.
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