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प्रश्न
In a village, the milk was collected from 50 milkmen at a collection center in litres as given below:
27, 75, 5, 99, 70, 12, 15, 20, 30, 35, 45, 80, 77, 90, 92, 72, 4, 33, 22, 15, 20, 28, 29, 14, 16, 20, 72, 81, 85, 10, 16, 9, 25, 23, 26, 46, 55, 56, 66, 67, 51, 57, 44, 43, 6, 65, 42, 36, 7, 35.
By taking suitable classes, prepare grouped frequency distribution table.
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उत्तर
| Class interval | Tally marks | Frequency |
| 0 - 10 | `cancel(bb|bb|bb|bb|)` | 5 |
| 10 - 20 | `cancel(bb|bb|bb|bb|)` `bb|bb|` | 7 |
| 20 - 30 | `cancel(bb|bb|bb|bb|)` `cancel(bb|bb|bb|bb|)` | 10 |
| 30 - 40 | `cancel(bb|bb|bb|bb|)` | 5 |
| 40 - 50 | `cancel(bb|bb|bb|bb|)` | 5 |
| 50 - 60 | `bb|bb|bb|bb|` | 4 |
| 60 - 70 | `bb|bb|bb|` | 3 |
| 70 - 80 | `cancel(bb|bb|bb|bb|)` | 5 |
| 80 - 90 | `bb|bb|bb|` | 3 |
| 90 - 100 | `bb|bb|bb|` | 3 |
| Total | 50 |
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संबंधित प्रश्न
In the table given below, class-mark and frequencies are given. Construct the frequency table taking inclusive and exclusive classes.
| Class width | Frequency |
| 22 | 6 |
| 24 | 7 |
| 26 | 13 |
| 28 | 4 |
38 people donated to an organisation working for differently abled persons. The amount in rupees were as follows:
101, 500, 401, 201, 301, 160, 210, 125, 175, 190, 450, 151, 101, 351, 251, 451, 151, 260, 360, 410, 150, 125, 161, 195, 351, 170, 225, 260, 290, 310, 360, 425, 420, 100, 105, 170, 250, 100.
- By taking classes 100-149, 150-199, 200-249... prepare grouped frequency distribution table.
- From the table, find the number of people who donated rupees 350 or more.
What is the upper class limit for the class 25-35?
Construct a cumulative frequency distribution table from the frequency table given below:
| Class Interval | Frequency |
| 0 -8 | 9 |
| 8 - 16 | 13 |
| 16 - 24 | 12 |
| 24 - 32 | 7 |
| 32 - 40 | 15 |
The marks of 24 candidates in the subject mathematics are given below:
| 45 | 48 | 15 | 23 | 30 | 35 | 40 | 11 |
| 29 | 0 | 3 | 12 | 48 | 50 | 18 | 30 |
| 15 | 30 | 11 | 42 | 23 | 2 | 3 | 44 |
The maximum marks are 50. Make a frequency distribution taking class intervals 0 - 10, 10-20, .......
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.
In a certain colony, there are 50 families. The number of people in every family is given below. Draw up the frequency table.
5, 4, 5, 4, 5, 3, 3, 3, 4, 3, 4, 2, 3, 4, 2, 2, 2, 2, 4, 5, 1, 3, 2, 4, 5, 3, 3, 2, 4, 4, 2, 3, 4, 3, 4, 2, 3, 4, 5, 3, 2, 3, 2, 3, 4, 5, 3, 2, 3, 2
The upper limit of the class interval (25 - 35) is _____________
The range of the data 200, 15, 20, 103, 3, 196, is _____________
If a class size is 10 and range is 80 then the number of classes are ___________
The number of times an observation occurs in the given data is called ________
Inclusive series is a _________ series
Size of the class 150 – 175 is ______.
Tally marks are used to find ______.
The number of times a particular observation occurs in a given data is called its ______.
In the class intervals 10 – 20, 20 – 30, etc., respectively, 20 lies in the class ______.
Following are the number of members in 25 families of a village:
6, 8, 7, 7, 6, 5, 3, 2, 5, 6, 8, 7, 7, 4, 3, 6, 6, 6, 7, 5, 4, 3, 3, 2, 5.
Prepare a frequency distribution table for the data using class intervals 0 – 2, 2 – 4, etc.
