Data Visualizationmedium
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A bar chart displays customer satisfaction ratings (1 to 5) and their frequencies:
| Rating | Frequency |
|---|---|
| 1 | 10 |
| 2 | 10 |
| 3 | 30 |
| 4 | 40 |
| 5 | 10 |
Calculate the weighted average (mean) satisfaction rating.
A bar chart displays customer satisfaction ratings (1 to 5) and their frequencies:
| Rating | Frequency | |---|---| | 1 | 10 | | 2 | 10 | | 3 | 30 | | 4 | 40 | | 5 | 10 |
Calculate the weighted average (mean) satisfaction rating.