Page 157 - Maths Skill - 6

Data Handling and Presentation 155

Answer the following questions on the basis of the SUBJECTIVE TYPE QUESTIONS
above data.

1. Find the number of students whose shoe sizes F. Solve the following word problems
have been collected. 1. The following are the number of electric bulbs

(i) 1250 (ii) 1300 purchased by a shopkeeper during the first six
(iii) 1350 (iv) 1400 months of a year:

2. What is the number of students wearing shoe Month Jan. Feb. March April May June
size 6 or 7? No. of bulbs 40 60 80 30 60 50

(i) 500 (ii) 600 (iii) 700 (iv) 800 Represent the given information by pictograph
3. What are the number of different sizes of the by taking as 10 bulbs.
shoes worn by the students?
(i) 4 (ii) 5 (iii) 6 (iv) 7 2. The total number of students of a school in

4. What is the number of students wearing shoe different years is shown in the following table:
size 4, 5 and 8? Year 2009 2010 2011 2012 2013 2014

(i) 450 (ii) 500 (iii) 550 (iv) 600 No. of students 4000 5500 6500 3500 5000 4500
5. Which shoe size is worm by minimum number
of students? Prepare a pictograph using to represent
(i) 5 (ii) 6 (iii) 7 (iv) 8 1000 students and answer the following:
(i) How many symbols represent total number
E. Assertion-Reason Based Questions of students in the year 2009?
Directions for Questions 1 to 2: In each of the (ii) How many symbols represent the total
questions given below, there are two statements number of students in the year 2012?
marked as Assertion (A) and Reason (R). Mark your (iii) For which year, you need to make
answer as per the codes provided below: maximum number of symbols.
(a) Both A and R are true and R is the correct 3. The year-wise growth of a school is shown below.
explanation of A.
(b) Both A and R are true but R is not the correct Year 2006– 2007– 2008– 2009– 2010– 2011–
explanation of A. 07 08 09 10 11 12
(c) A is true but R is false. No. of 110 170 185 245 360 540
students
(d) A is false but R is true. Draw a bar graph to represent the above data.
Q. 1. Assertion (A) : Raw data should be arranged in 4. Literacy rate of various states of India in a

tabular form for its representation. particular year is given below.
Reason (R) : Representation through bar graph
and pictograph is less efficient or organized. State M.P. Bihar Mizoram U.P. Kerala
Q. 2. Assertion (A) : Consider the marks scored by 12 Literacy rate 600 650 810 700 990
students in maths test i.e. 10, 10, 9, 8, 9, 7, 9, 6, per 1,000
5, 9, 9, 6. The frequency of 9 in the test is 5. Represent this data using a bar graph and show

Reason (R) : 9 occurs 5 times in the data. So, its which state has the highest literacy rate.
frequency is 5.