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प्रश्न
The sixth class interval for a grouped data whose first two class intervals are 10 – 15 and 15 – 20 is ______.
उत्तर
The sixth class interval for a grouped data whose first two class intervals are 10 – 15 and 15 – 20 is 35 – 40.
Explanation:
First interval = 10 – 15
Second interval = 15 – 20
Clearly, Size of class interval = 5
Therefore, Third interval = 20 – 25
Fourth interval = 25 – 30
Fifth interval = 30 – 35
Sixth interval = 35 – 40
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संबंधित प्रश्न
Define the following term:
Discrete frequency distribution
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1, 2, 6, 5, 1, 5, 1, 3, 2, 6, 2, 3, 4, 2, 0, 0, 4, 4, 3, 2, 2, 0, 0, 1, 2, 2, 4, 3, 2, 1, 0, 5, 1, 2, 4, 3, 4, 1, 6, 2, 2.
Represent it in the form of a frequency distribution.
A die was thrown 25 times and following scores were obtained:
| 1, | 5, | 2, | 4, | 3, | 6, | 1, | 4, | 2, | 5, | 1, | 6, | 2, |
| 6, | 3, | 5, | 4, | 1, | 3, | 2, | 3, | 6, | 1, | 5, | 2, |
Prepare a frequency table of the scores.
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16, 17, 18, 3, 7, 23, 18, 13, 10, 21, 7, 1, 13, 21, 13, 15, 19, 24, 16, 3, 23, 5, 12, 18, 8, 12, 6, 8, 16, 5, 3, 5, 0, 7, 9, 12, 20, 10, 2, 23.
Divide the data into five groups, namely 0-5, 5-10, 10-15, 15-20 and 20-25 and prepare a grouped frequency table.
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 ________
The tally marks for number 8 in standard form is ______________
The data can be arranged in a tabular form using ______ marks.
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 |
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| Ladoo, Barfi, Ladoo, Jalebi, Ladoo, Rasgulla, Jalebi, Ladoo, Barfi, Rasgulla, Ladoo, Jalebi, Jalebi, Rasgulla, Ladoo, Rasgulla, Jalebi, Ladoo, Rasgulla, Ladoo, Ladoo, Barfi, Rasgulla, Rasgulla, Jalebi, Rasgulla, Ladoo, Rasgulla, Jalebi, Ladoo. |
Which sweet is preferred by most of the students?
