6th Maths : Term 1 Unit 5 : Statistics
Exercise 5.1 - Questions with Answers & Solutions
1. Fill in the blanks.
(i) The collected information is called data.
(ii) An example of a Primary Data is List of absentees in a class.
(iii) An example of a Secondary Data is cricket scores gathered from a website.
(iv) The tally marks for number 7 in standard form is
| |.
| |.
2. 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 54 6 6 4 3 5 4 5 6 5 2
4 2 6 5 54 6 6 4 5 6 6 5 4 1 1
4 2 6 5 54 6 6 4 5 6 6 5 4 1 1
Solution:
3. 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
Green Grey Blue Green Grey
Blue Grey Red Green Red
Blue Blue Green Blue Green
Grey Grey Green Grey Red
Solution:
4. 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
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.
Solution:
5. The table shows the number of calls recorded by a Fire Service Station in one year.
Solution Table:
Complete the table and answer the following questions.
(i) Which type of call was recorded the most?
Answer: Other fires
(ii) Which type of call was recorded the least?
Answer: Rescues
(iii) How many calls were recorded in all?
Answer: 35
(iv) How many calls were recorded as False Alarms?
Answer: 7
Objective Type Questions
6. The tally marks for the number 7 in standard form is __________.
(a) 7
(b) | |
(c) ✔✔✔✔✔✔✔
(d) | |
Answer: (b)
7. The tally marks | | | | represents the number count
(a) 5
(b) 8
| | | | represents the number count
(a) 5
(b) 8
(c) 9
(d) 10
Answer: (c) 9
8. The plural form of ‘datum’ is
(a) datum
(b) datums
(c) data
(d) datas
Answer: (c) data
End of Exercise 5.1 - Statistics