Number of Defective Parts .. Number of Derective Parts Brawdy Plastic, Inc, produces plastic seat belt retainers for General Motors at the Brawdy Plastics plant In Buffalo, New York. After final assembly and painting, the parts are placed on a conveyor belt that moves the parts past a final Inspection station. How fast the parts move past the final inspection station depends upon the line speed of the conveyor belt (font per minute). Although MY NOTES faster line speeds are destrable, management is concemed that Increasing the line speed too much may not provide enough time for Inspectors to Identify which parts are actually defetive. To test this theory, Brawdy Plastics conducted an experiment In which the same batch of parts, with a known number of defective parts, was inspected using a variety of line speeds. The folowing data were collected. Number of Defective Parts Found Une Speed 20 24 20 20 30 18 30 16 40 16 40 18 50 14 50 10 (a) Develop a scatter diagram with the line speed as the Independent variable 25 25 25 20 25 20 20 15 20 15 15 15 10 10 10 10 5. 5 10 20 30 40 30 GO 10 20 30 40 30 GO 10 20 30 40 Line Speed (feet per minute) 30 Line Speed (feet per minute) 60 10 20 30 40 30 60 Line Speed (feet per minute) Line Speed (feet per minute) (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 line speed (feet per minute) and the number of defective parts. O There appears to be a negative relationship between line speed (feet per minute) and the number of defective parts. O There appears to be a positive relationship between line speed (feet per minute) and the number of defective parts. (c) Lse the least squares method to develop the estimated regression equation. (d) Predict the number of defective parts found for a line speed of 45 feet per minute.
Number of Defective Parts .. Number of Derective Parts Brawdy Plastic, Inc, produces plastic seat belt retainers for General Motors at the Brawdy Plastics plant In Buffalo, New York. After final assembly and painting, the parts are placed on a conveyor belt that moves the parts past a final Inspection station. How fast the parts move past the final inspection station depends upon the line speed of the conveyor belt (font per minute). Although MY NOTES faster line speeds are destrable, management is concemed that Increasing the line speed too much may not provide enough time for Inspectors to Identify which parts are actually defetive. To test this theory, Brawdy Plastics conducted an experiment In which the same batch of parts, with a known number of defective parts, was inspected using a variety of line speeds. The folowing data were collected. Number of Defective Parts Found Une Speed 20 24 20 20 30 18 30 16 40 16 40 18 50 14 50 10 (a) Develop a scatter diagram with the line speed as the Independent variable 25 25 25 20 25 20 20 15 20 15 15 15 10 10 10 10 5. 5 10 20 30 40 30 GO 10 20 30 40 30 GO 10 20 30 40 Line Speed (feet per minute) 30 Line Speed (feet per minute) 60 10 20 30 40 30 60 Line Speed (feet per minute) Line Speed (feet per minute) (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 line speed (feet per minute) and the number of defective parts. O There appears to be a negative relationship between line speed (feet per minute) and the number of defective parts. O There appears to be a positive relationship between line speed (feet per minute) and the number of defective parts. (c) Lse the least squares method to develop the estimated regression equation. (d) Predict the number of defective parts found for a line speed of 45 feet per minute.
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter6: Ratio, Proportion, And Probability
Section6.1: Ratios And Rates
Problem 46E
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Transcribed Image Text:Number of Defective Parts
Brawdy Plastis, Inc, produces plastic seat belt retainers for General Motors at the Brawdy Plastics plant In Buffalo, New York. After final assembly and painting, the parts are placed on a conveyor belt that moves the parts past a final inspection tation. How fast the parts move past the final Inspection station depends upon the line spend of the conveyar belt (foct per minute). Although
MY NOTES
faster line speeds are destrable, management is concemed that Increasing the line speed too much may not provide enough time for Inspectors to Identify which parts are actually defective. To test this theory, Brawdy Plastics conducted an experlment In which the same batch of parts, with a known number of defective parts, was Inspected using a variety of line speeds The following data
were collected.
Number of
Defective
Parts Found
LUne
Speed
20
24
20
20
30
18
30
16
40
16
40
18
50
14
50
10
(a) Develop a scatter diagram with the line speed as the independent variable
25
20
20
20
15
15
15
15
10
10
10
10
20
30
40
30
10
20
30
40
30
10
20
30
40
50
Line Speed (feet per minute)
10
20
30
30
Line Speed (feet per minute)
Line Speed ifeet per minute)
Line Speed (feet per minute)
(b) What does the scatter diagram developed in part (a) indicate about the relationship between the two varlables?
O There appears to be no noticeable relationship between line speed (feet per minute) and the number of defective parts.
O There appears to be a negative relationship between line speed (feet per minute) and the number of defective parts.
O There appears to be a positive relationship between line speed (feet per minute) and the number of defective parts
(c) Lse the leact squares method to develop the estimated regression equation.
(d) Predict the number of defective parts found for a line speed of 45 feet per minute.
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