Continuously monitor and control the distribution process

Oct 13, 2025 by wbrum.org 53 views

Quality Control of Mineral Water Distribution at PT. Tirta Investama uses a variable control map X Bar S Chart for the period September-December 2018

Introduction

Quality control is a vital aspect in the industry, particularly in the distribution of products such as mineral water. At PT. Tirta Investama, the quality control of mineral water distribution is carried out using the Statistical Quality Control (SQC) method. This method aims to monitor, control, and improve product quality and distribution process using a statistical approach. One of the tools used in SQC is a control map, especially X Bar S Chart. This study was focused on the period September to December 2018 to evaluate whether the results of PT. Tirta Investama is in a condition in accordance with the process control standards.

The Importance of Quality Control

Quality control is a crucial step in ensuring customer satisfaction. By using control maps such as X Bar S Chart, PT. Tirta Investama can detect irregularities in the distribution process earlier. This allows the company to immediately take corrective action before the problem has an impact on the quality of the products received by consumers. Furthermore, good quality control can increase the company's reputation and provide competitive benefits in the market.

Quality control is not just a necessary step, but it is also a key factor in maintaining a company's reputation and competitiveness. By implementing a robust quality control system, PT. Tirta Investama can ensure that their mineral water products meet the highest standards of quality, which in turn will increase customer satisfaction and loyalty. Additionally, a good quality control system can also help the company to reduce costs associated with product defects and recalls.

Analysis of Results and Implications

The results of the analysis showed that the distribution of mineral water PT. Tirta Investama is within the control limit, indicating that the production and distribution process runs efficiently and in accordance with predetermined procedures. The implications of this result are very important, especially for company management in making strategic decisions. If this condition continues to be maintained, PT. Tirta Investama can maintain product quality and increase consumer confidence.

The analysis also showed that the control limit value for standard deviation diagrams was between 0 to 2380.97 and 5,405. This control limit becomes an important reference in determining whether the mineral water distribution process takes place in a controlled condition or not. The results of the analysis showed that the distribution of mineral water conducted by PT. Tirta Investama is still within the specified control limit, indicating that the company has met the applicable process control standards.

Conclusion

In the era of rigorous business competition, quality control through statistical approaches such as SQC is very relevant. PT. Tirta Investama has shown that their mineral water distribution is in accordance with the established process control standards. By continuing to implement and improve the quality control system, this company will not only maintain product quality but also increase competitiveness in the mineral water market.

The use of X Bar S Chart in quality control has proven to be an effective tool in monitoring and controlling the distribution process of mineral water at PT. Tirta Investama. The results of the analysis have shown that the company has met the applicable process control standards, which is a testament to the effectiveness of the quality control system. By continuing to implement and improve the quality control system, PT. Tirta Investama can maintain product quality and increase consumer confidence.

Recommendations

Based on the results of the analysis, the following recommendations are made:

Continuously monitor and control the distribution process: PT. Tirta Investama should continue to monitor and control the distribution process using the X Bar S Chart to ensure that the process remains within the control limit.
Implement corrective actions: If any irregularities are detected in the distribution process, PT. Tirta Investama should immediately take corrective actions to prevent the problem from affecting the quality of the products received by consumers.
Continuously improve the quality control system: PT. Tirta Investama should continuously improve the quality control system to ensure that it remains effective in monitoring and controlling the distribution process.
Train employees: PT. Tirta Investama should train its employees on the use of the X Bar S Chart and the importance of quality control in maintaining product quality and increasing consumer confidence.

Limitations of the Study

This study has several limitations, including:

Limited data: The study only analyzed data from the period September to December 2018, which may not be representative of the entire year.
Limited scope: The study only focused on the distribution of mineral water at PT. Tirta Investama and did not consider other factors that may affect the quality of the products.
Limited sample size: The study only analyzed data from a limited number of samples, which may not be representative of the entire population.

Future Research Directions

Future research should focus on:

Extending the study period: Future research should extend the study period to include data from the entire year to ensure that the results are representative of the entire year.
Considering other factors: Future research should consider other factors that may affect the quality of the products, such as raw materials, equipment, and personnel.
Increasing the sample size: Future research should increase the sample size to ensure that the results are representative of the entire population.

Conclusion

In conclusion, the use of X Bar S Chart in quality control has proven to be an effective tool in monitoring and controlling the distribution process of mineral water at PT. Tirta Investama. The results of the analysis have shown that the company has met the applicable process control standards, which is a testament to the effectiveness of the quality control system. By continuing to implement and improve the quality control system, PT. Tirta Investama can maintain product quality and increase consumer confidence.
Frequently Asked Questions (FAQs) about Quality Control of Mineral Water Distribution at PT. Tirta Investama

Q: What is the purpose of quality control in the distribution of mineral water at PT. Tirta Investama?

A: The purpose of quality control in the distribution of mineral water at PT. Tirta Investama is to ensure that the products meet the highest standards of quality, safety, and customer satisfaction. Quality control helps to detect irregularities in the distribution process and takes corrective actions to prevent problems from affecting the quality of the products received by consumers.

Q: What is the X Bar S Chart and how is it used in quality control?

A: The X Bar S Chart is a control map used in Statistical Quality Control (SQC) to monitor and control the distribution process of mineral water at PT. Tirta Investama. The chart is used to track the mean and standard deviation of the process and to detect any deviations from the established control limits.

Q: What are the benefits of using the X Bar S Chart in quality control?

A: The benefits of using the X Bar S Chart in quality control include:

Early detection of irregularities in the distribution process
Immediate corrective actions to prevent problems from affecting the quality of the products received by consumers
Increased customer satisfaction and loyalty
Improved reputation and competitiveness in the market
Reduced costs associated with product defects and recalls

Q: What are the limitations of the study?

A: The limitations of the study include:

Limited data: The study only analyzed data from the period September to December 2018, which may not be representative of the entire year.
Limited scope: The study only focused on the distribution of mineral water at PT. Tirta Investama and did not consider other factors that may affect the quality of the products.
Limited sample size: The study only analyzed data from a limited number of samples, which may not be representative of the entire population.

Q: What are the recommendations for future research?

A: The recommendations for future research include:

Extending the study period to include data from the entire year
Considering other factors that may affect the quality of the products, such as raw materials, equipment, and personnel
Increasing the sample size to ensure that the results are representative of the entire population

Q: How can PT. Tirta Investama improve the quality control system?

A: PT. Tirta Investama can improve the quality control system by:

Continuously monitoring and controlling the distribution process using the X Bar S Chart
Implementing corrective actions to prevent problems from affecting the quality of the products received by consumers
Continuously improving the quality control system to ensure that it remains effective in monitoring and controlling the distribution process
Training employees on the use of the X Bar S Chart and the importance of quality control in maintaining product quality and increasing customer confidence

Q: What are the implications of the study for PT. Tirta Investama?

A: The implications of the study for PT. Tirta Investama are:

The company has met the applicable process control standards, which is a testament to the effectiveness of the quality control system
The company can maintain product quality and increase consumer confidence by continuing to implement and improve the quality control system
The company can increase competitiveness in the mineral water market by maintaining high-quality products and customer satisfaction

Q: What are the implications of the study for other companies in the industry?

A: The implications of the study for other companies in the industry are:

The use of X Bar S Chart in quality control is an effective tool in monitoring and controlling the distribution process of mineral water
Companies can improve their quality control system by implementing similar methods and tools
Companies can increase competitiveness in the market by maintaining high-quality products and customer satisfaction

Q: What are the future directions for research in quality control?

A: The future directions for research in quality control include:

Extending the study period to include data from the entire year
Considering other factors that may affect the quality of the products, such as raw materials, equipment, and personnel
Increasing the sample size to ensure that the results are representative of the entire population
Developing new methods and tools for quality control and monitoring