UPSKILL MATH PLUS
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Learn moreDetermine the mean of the following distribution:
| Marks | Number of students |
| \text{Below } 10 | 5 |
| \text{Below } 20 | 9 |
| \text{Below } 30 | 17 |
| \text{Below } 40 | 29 |
| \text{Below } 50 | 45 |
| \text{Below } 60 | 60 |
| \text{Below } 70 | 70 |
| \text{Below } 80 | 78 |
| \text{Below } 90 | 83 |
| \text{Below } 100 |
85
|
Answer:
The mean mark of the student is .
[Note: Enter the answer in to two decimal number.]
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