1. You are the quality control manager in a plant that produces bunjee cords. Your responsibility is to oversee the production of the synthetic material in the cord. Specifically, your responsibility is to ensure that bunjee cords have the correct elastic qualities to avoid personal injury lawsuits. Your efforts are compounded in that you use two procedures for testing bunjee cord elasticity, procedure A and procedure B. Procedure A is generally subject to error, but few are very large. On the other hand, procedure B is very accurate but subject to large one-time errors. Specifically, forecast errors in evaluating the dynamic cord elasticity per pound of load are presented below for a random sample of four cords. Procedure A Forecast error: Calculate the MSE -.01 .01 -.02 .02 a..0158 .00025 C..015 O d.o

MATLAB: An Introduction with Applications
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### Quality Control in Manufacturing Bungee Cords

**Introduction:**
As the quality control manager at a bungee cord manufacturing plant, your role is crucial in overseeing the production of synthetic materials used in the cords. It is essential to ensure that the bungee cords maintain their correct elastic qualities to prevent personal injury.

**Testing Procedures:**
Two procedures are used to test the elasticity of bungee cords:

- **Procedure A:** Prone to frequent errors, although the errors are usually small.
- **Procedure B:** Highly accurate with occasional large errors.

**Forecast Errors:**
The task involves evaluating the dynamic cord elasticity per pound of load using forecast errors from a random sample of four cords. Here, the errors for **Procedure A** are:

- -0.01
- 0.01
- -0.02
- 0.02

**Objective:**
Calculate the Mean Squared Error (MSE) for Procedure A.

**Options:**
- a. 0.0158
- b. 0.00025
- c. 0.015
- d. 0

This exercise is designed to enhance understanding of statistical measures in quality control contexts, focusing on error analysis for elastic materials.
Transcribed Image Text:### Quality Control in Manufacturing Bungee Cords **Introduction:** As the quality control manager at a bungee cord manufacturing plant, your role is crucial in overseeing the production of synthetic materials used in the cords. It is essential to ensure that the bungee cords maintain their correct elastic qualities to prevent personal injury. **Testing Procedures:** Two procedures are used to test the elasticity of bungee cords: - **Procedure A:** Prone to frequent errors, although the errors are usually small. - **Procedure B:** Highly accurate with occasional large errors. **Forecast Errors:** The task involves evaluating the dynamic cord elasticity per pound of load using forecast errors from a random sample of four cords. Here, the errors for **Procedure A** are: - -0.01 - 0.01 - -0.02 - 0.02 **Objective:** Calculate the Mean Squared Error (MSE) for Procedure A. **Options:** - a. 0.0158 - b. 0.00025 - c. 0.015 - d. 0 This exercise is designed to enhance understanding of statistical measures in quality control contexts, focusing on error analysis for elastic materials.
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