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Question
Complete the Following Table.
| Classes (age) | Tally marks | Frequency (No. of students) |
| 12 - 13 | `cancel(bb|bb|bb|bb|)` | `square` |
| 13 - 14 | `cancel(bb|bb|bb|bb|)` `cancel(bb|bb|bb|bb|)` `bb|bb|bb|bb|` | `square` |
| 14 - 15 | `square` | |
| 15 - 16 | `bb|bb|bb|bb|` | `square` |
| `bb(N = sumf = 35)` |
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Solution
| Classes (age) | Tally marks | Frequency (No. of students) |
| 12 - 13 | `cancel(bb|bb|bb|bb|)` | \[\boxed5\] |
| 13 - 14 | `cancel(bb|bb|bb|bb|)` `cancel(bb|bb|bb|bb|)` `bb|bb|bb|bb|` | \[\boxed{14}\] |
| 14 - 15 | `cancel(bb|bb|bb|bb|)` `cancel(bb|bb|bb|bb|)` `bb|bb|` | \[\boxed{12}\] |
| 15 - 16 | `bb|bb|bb|bb|` | \[\boxed{4}\] |
| `bb(N = sumf = 35)` |
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Given below are the marks obtained by 30 students in an examination:
|
08 |
17 |
33 |
41 |
47 |
23 |
20 |
34 |
|
09 |
18 |
42 |
14 |
30 |
19 |
29 |
11 |
|
36 |
48 |
40 |
24 |
22 |
02 |
16 |
21 |
|
15 |
32 |
47 |
44 |
33 |
01 |
Taking class intervals 1 - 10, 11 - 20, ....., 41 - 50; make a frequency table for the above distribution.
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The range of the data 200, 15, 20, 103, 3, 196, is _____________
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In the class interval 20 – 30, the lower class limit is ______.
The difference between the upper and lower limit of a class interval is called the ______ of the class interval.
The class size of the interval 80 – 85 is ______.
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| Marks (obtained out of 10) | 4 | 5 | 7 | 8 | 9 | 10 |
| Frequency | 5 | 10 | 8 | 6 | 12 | 9 |
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| Class Interval | Frequency |
| 10 – 20 | 5 |
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| 50 – 60 | 12 |
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- What is the upper limit of the last class interval?
- What is the frequency of the third class?
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