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Question
Inclusive series is a _________ series
Options
continuous
discontinuous
both
none of these
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Solution
Inclusive series is a discontinuous series
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Find the class-mark of the class 35 - 40.
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)` |
In a ‘tree plantation’ project of a certain school there are 45 students of 'Harit Sena'. The record of trees planted by each student is given below:
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In the table given below, class-mark and frequencies are given. Construct the frequency table taking inclusive and exclusive classes.
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| 5 | 3 |
| 15 | 9 |
| 25 | 15 |
| 35 | 13 |
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By taking suitable classes, prepare grouped frequency distribution table.
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Upper limit of class interval 75 – 85 is ______.
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| 40 – 50 | `\cancel(bb|bb|bb|bb|) \cancel(bb|bb|bb|bb|) bb|bb|` | |
| 50 – 60 | `\cancel(bb|bb|bb|bb|) \cancel(bb|bb|bb|bb|) bb|bb|bb|bb|` | |
| 60 – 70 | `\cancel(bb|bb|bb|bb|) bb|` | |
| 70 – 80 | `bb|bb|` | |
| 80 – 90 | `bb|` |
Find the total number of persons whose weights are given in the above table.
