서비스 라인별 고객 만족도 분석

1. Gather recent customer satisfaction survey data for [companyName]'s various service lines. Ensure the data includes [serviceLineName], satisfaction score, and feedback categories such as quality, speed, and support.
2. For each [serviceLineName], calculate the average satisfaction score by category.
3. Create a multi-dimensional chart that plots each [serviceLineName] on the x-axis.
4. On the y-axis, represent the average satisfaction score range from 0 to 100.
5. Use different colors or symbols to differentiate the feedback categories (e.g., quality, speed, support) within each [serviceLineName].
6. Include data labels showing the numeric satisfaction score beside each symbol or colored area in the chart.
7. Add a trend line for each category across all [serviceLineName]s to indicate overall satisfaction trends.
8. Implement interactive elements such as hover details for scores and category specifics, if possible.
9. Ensure the chart title clearly identifies the focus as 'Customer Satisfaction Across [companyName]'s Service Lines'.
10. Accompany the chart with a summary analysis highlighting key insights, including which service lines and categories demonstrate the highest and lowest satisfaction levels.
11. Suggest actionable recommendations for [companyName] based on the satisfaction trends observed.
12. Prepare a report or dashboard containing this chart, its analysis, and recommendations for internal stakeholders of [companyName].