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प्रश्न
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.
उत्तर
The frequency table with class intervals 0\[-\]5,5\[-\]15,...,50\[-\]55 is given below:
| Marks | Tally Marks | Frequency |
| 0\[-\]5 | ||| | 3 |
| 5\[-\]10 | 5 | |
| 10\[-\]15 | ||| | 3 |
| 15\[-\]20 | 5 | |
| 20\[-\]25 | ||| | 3 |
| 25\[-\]30 | ||| | 3 |
| 30\[-\]35 | | | 1 |
| 35\[-\]40 | || | 2 |
| 40\[-\]45 | || | 2 |
| 45\[-\]50 | || | 2 |
| 50\[-\]55 | | | 1 |
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संबंधित प्रश्न
Define the following term:
Observations
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?
The data that can take values between a certain range is called ________
Viji threw a die 30 times and noted down the result each time as follows. Prepare a table on the numbers shown using Tally Marks.
| 1 | 4 | 3 | 5 | 5 | 6 | 6 | 4 | 3 | 5 | 4 | 5 | 6 | 5 | 2 |
| 4 | 2 | 6 | 5 | 5 | 6 | 6 | 4 | 5 | 6 | 6 | 5 | 4 | 1 | 1 |
The following list tells colours liked by 25 students. Prepare a table using Tally Marks.
| Red | Blue | White | Grey | White |
| Green | Grey | Blue | Green | Grey |
| Blue | Grey | Red | Green | Red |
| Blue | Blue | Green | Blue | Green |
| Grey | Grey | Green | Grey | Red |
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
In this question, the number of students who scored marks less than 4 is ______.
8, 1, 2, 6, 5, 5, 5, 0, 1, 9, 7, 8, 0, 5, 8, 3, 0, 8, 10, 10, 3, 4, 8, 7, 8, 9, 2, 0
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?
In a Mathematics test, the following marks were obtained by 40 students. Arrange these marks in a table using tally marks.
| 8 | 1 | 3 | 7 | 6 | 5 | 5 | 4 | 4 | 2 |
| 4 | 9 | 5 | 3 | 7 | 1 | 6 | 5 | 2 | 7 |
| 7 | 3 | 8 | 4 | 2 | 8 | 9 | 5 | 8 | 6 |
| 7 | 4 | 5 | 6 | 9 | 6 | 4 | 4 | 6 | 6 |
Find how many students obtained marks equal to or more than 7.
Catherine threw a dice 40 times and noted the number appearing each time as shown below:
| 1 | 3 | 5 | 6 | 6 | 3 | 5 | 4 | 1 | 6 |
| 2 | 5 | 3 | 4 | 6 | 1 | 5 | 5 | 6 | 1 |
| 1 | 2 | 2 | 3 | 5 | 2 | 4 | 5 | 5 | 6 |
| 5 | 1 | 6 | 2 | 3 | 5 | 2 | 4 | 1 | 5 |
Make a table and enter the data using tally marks. Find the number that appeared.
The minimum number of times
