Advertisements
Advertisements
Question
Using tally marks, which one of the following represents the number eight:
Options
`cancel(bb|bb|bb|)` `cancel(bb|bb|bb|)`
`cancel(bb|bb|bb|bb|bb|)` ||
`cancel(bb|bb|bb|bb|)` |||
Solution
`cancel(bb|bb|bb|bb|)` |||
Explanation:
We know that, 8 = 5 + 3
Here, 5 is repesented by `cancel(bb|bb|bb|bb|)` and 3 is represented by |||.
So, 8 is represented by `cancel(bb|bb|bb|bb|)` |||.
APPEARS IN
RELATED QUESTIONS
Define the following term:
Class-size
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?
Construct a frequency table for the following weights (in gm) of 35 mangoes using the equal class intervals, one of them is 40-50 (45 not included):
30, 40, 45, 32, 43, 50, 55, 62, 70, 70, 61, 62, 53, 52, 50, 42, 35, 37, 53, 55, 65, 70, 73, 74, 45, 46, 58, 59, 60, 62, 74, 34, 35, 70, 68.
(i) What is the class mark of the class interval 40-45?
(ii) What is the range of the above weights?
(iii) How many classes are there?
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 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 heights (in centimeters) of 40 children are.
110 | 112 | 112 | 116 | 119 | 111 | 113 | 115 | 118 | 120 |
110 | 113 | 114 | 111 | 114 | 113 | 110 | 120 | 118 | 115 |
112 | 110 | 116 | 111 | 115 | 120 | 113 | 111 | 113 | 120 |
115 | 111 | 116 | 112 | 110 | 111 | 120 | 111 | 120 | 111 |
Prepare a tally marks table
Data available in an unorganised form is called ______ data.
An observation occurring five times in a data is recorded as | | | | |, using tally marks.
The data can be arranged in a tabular form using ______ marks.
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 maximum number of times