Correct Marks 1
Incorrectly Marks 0
Q 1. Consider the following distribution:
Marks obtained | Number of students |
---|---|
More than or equal to 0 | 63 |
More than or equal to 10 | 58 |
More than or equal to 20 | 55 |
More than or equal to 30 | 51 |
More than or equal to 40 | 48 |
More than or equal to 50 | 42 |
3
4
48
51
Class | Number of students | f |
---|---|---|
0-10 | 63-58=5 | 5 |
10-20 | 58-55=3 | 3 |
20-30 | 55-51=4 | 4 |
30-40 | 51-48=3 | 3 |
40-50 | 48-42=6 | 6 |
50-60 | 42-0=42 | 42 |