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Question
An observation occurring five times in a data is recorded as | | | | |, using tally marks.
Options
True
False
Solution
This statements is False.
Explanation:
The numerical data five represented as using |||| tally marks.
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Define the following term:
Raw data
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.
Construct a frequency distribution table for the following marks obtained by 25 students in a history test in class VIII of a school:
9, 17, 12, 20, 9, 18, 25, 17, 19, 9, 12, 9, 12, 18, 17, 19, 20, 25, 9, 12, 17, 19, 19, 20, 9
(i) What is the range of marks?
(ii) What is the highest mark?
(iii) Which mark is occurring more frequently?
The marks scored by 40 students of class VIII in mathematics are given below:
81, 55, 68, 79, 85, 43, 29, 68, 54, 73, 47, 35, 72, 64, 95, 44, 50, 77, 64, 35, 79, 52, 45, 54, 70, 83, 62, 64, 72, 92, 84, 76, 63, 43, 54, 38, 73, 68, 52, 54.
Prepare a frequency distribution with class size of 10 marks.
The monthly wages of 30 workers in a factory are given below:
830, 835, 890, 810, 835, 836, 869, 845, 898, 890, 820, 860, 832, 833, 855, 845, 804, 808, 812, 840, 885, 835, 836, 878, 840, 868, 890, 806, 840, 890.
Represent the data in the form of a frequency distribution with class size 10.
The tally marks for number 8 in standard form is ______________
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 prediction of Weather in the month of September is given below.
(i) Make a frequency table of the types of weather by reading the calendar.
(ii) How many days are either cloudy or partly cloudy?
(iii) How many days do not have rain? Give two ways to find the answer?
(iv) Find the ratio of the number of Sunny days to Rainy days
| Number of two wheelers |
Tally marks | Number of families |
| 0 | ||| | 3 |
| 1 | `cancel(|bb|bb|bb|)` `cancel(|bb|bb|bb|)` `cancel(|bb|bb|bb|)` `cancel(|bb|bb|bb|)` `cancel(|bb|bb|bb|)` ||| | 28 |
| 2 | `cancel(|bb|bb|bb|)` `cancel(|bb|bb|bb|)` |||| | 14 |
| 3 | |||| | 4 |
| 4 | | | 1 |
| Total | 50 |
Prepare a bar graph of the data.
Following is the choice of sweets for 30 students of Class VI.
| 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?
