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प्रश्न
The tally marks |||| |||| represents the number count
पर्याय
5
8
9
10
उत्तर
The tally marks |||| |||| represents the number count 9
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संबंधित प्रश्न
Define the following term:
Grouped frequency distribution
Define the following term:
True class limits
The marks scored by 20 students in a test are given below:
54, 42, 68, 56, 62, 71, 78, 51, 72, 53, 44, 58, 47, 64, 41, 57, 89, 53, 84, 57.
Complete the following frequency table:
| (Marks in class intervals) | Tally marks | Frequency (no. of children) |
| 40 - 50 | ||
| 50 - 60 | ||
| 60 - 70 | ||
| 70 - 80 | ||
| 80 - 90 |
What is the class interval in which the greatest frequency occurs?
The following is the distribution of weights (in kg) of 52 persons:
| Weight in kg | Persons |
| 30-40 | 10 |
| 40-50 | 15 |
| 50-60 | 17 |
| 60-70 | 6 |
| 70-80 | 4 |
(i) What is the lower limit of class 50-60?
(ii) Find the class marks of the classes 40-50, 50-60.
(iii) What is the class size?
Construct a frequency table with class-intervals 0-5 (5 not included) of the following marks obtained by a group of 30 students in an examination.
0, 5, 7, 10, 12, 15, 20, 22, 25, 27, 8, 11, 17, 3, 6, 9, 17, 19, 21, 29, 31, 35, 37, 40, 42,45, 49, 4, 50, 16.
The following are the marks obtained by 30 students in a class test out of 20 in Mathematics subject.
| 11 | 12 | 13 | 12 | 12 | 15 | 16 | 17 | 18 | 12 |
| 20 | 13 | 13 | 14 | 14 | 14 | 15 | 15 | 15 | 15 |
| 16 | 16 | 16 | 15 | 14 | 13 | 12 | 11 | 19 | 17 |
Prepare a table using Tally Marks
Yamini did a project ‘Animals and Birds’. She asked each child in her class about one favorite pet animal.
She used tally marks to record each answer. For example, if someone said ‘cat’ she means 5 cats. In all 24 children said ‘cat’ was their favorite animal. Help Yamini complete the table.
| Animal | Tally marks | Number |
| Cats |  |
24 |
| Dogs |  |
|
| Rabbits |  |
|
| Cows |  |
|
| Parrots |  |
|
| Goats |  |
|
| Squirrel |  |
- Look at the tally marks and write the number for each animal on the table. How many children in all did Yamini talk to?
- Which is the most favorite pet animal on this table?
- Which pet will you like to have? What will you name it? Which other animals can be kept at home? Discuss.
Sumita stood on the road for half an hour and counted the number of vehicles passing by. She made a tally mark for each vehicle. This helped her in counting the total number of vehicles in each group.
- Write the number of each vehicle in the table.
- How many vehicles in all did Sumita see on the road in half an hour?
- Auto rickshaws are thrice the number of trucks — true/false?
- Make tally marks for 7 more buses and 2 more trucks.
When the number of observations is large, the observations are usually organised in groups of equal width called ______.
The lengths in centimetres (to the nearest centimetre) of 30 carrots are given as follows:
15, 22, 21, 20, 22,15, 15, 20, 20,15, 20, 18, 20, 22, 21,
20, 21, 18, 21, 18, 20, 18, 21, 18, 22, 20, 15, 21, 18, 20
Arrange the data given above in a table using tally marks and answer the following questions.
(a) What is the number of carrots which have length more than 20 cm?
(b) Which length of the carrots occur maximum number of times? Minimum number of times?
