Page 206 - Maths Skills - 7

204 Maths

5. Five students of 7th standard sold tickets of the school’s annual function.
David sold 19 tickets
Ibrahim sold 11 tickets
Jaspal sold 25 tickets
Ram sold 35 tickets
Shyam sold 32 tickets
Draw a bar graph to represent the above information.

6. The temperature of a doctor’s cabin recorded at 9.00 a.m. during one week is given as under.
Days Mon Tue Wed Thu Fri Sat Sun

Temperature (°C) 38 37 40 42 47 35 52

Draw a bar graph for the above table.
7. Following table shows the marks scored by Priyanka in various subjects.

Subjects Physics Chemistry Zoology Botany Hindi English

Marks 87 82 78 76 63 74
Draw a bar graph to represent the above data.

8. Use the data of the maximum and minimum temperatures of various cities given and plot a double bar graph.
City Delhi Srinagar Mumbai Chennai Kerala

Maximum Temperature (in °C) 40 27 32 38 30
Minimum Temperature (in °C) 28 15 27 25 19

Answer the following questions:

(i) Which is the hottest and coldest city?
(ii) Which city has the least difference between their maximum and minimum temperatures?
(iii) Compare the difference between the temperatures of Kerala and Mumbai.

ASSESSMENT TIME

COMPETENCY BASED QUESTIONS 3. The median of a given data, if ‘n’ is odd is equal
to:
A. Multiple-Choice Questions  n

2
1. Bar graph is also called: (i)   th value
(i) mode (ii) pictograph

n
+
(iii) frequency table (iv) column graph (ii) 1    n + 1  th value
  


2
2    2 

2. The number of times a particular observation

occurs is called: (iii)  n + 1 th value


(i) range (ii) data  2 
(iii) frequency (iv) mean (iv) none of these