Page 179 - ICSE Math 4
P. 179

Exercise 13.2




                      1.  The bar graph given alongside shows            Students whose names start with A, D, H, I, K, R and S
                           the number of students in a class
                                                                                     Scale: 1 square = 2 students
                           whose names start with A, D, H, I, K,

                           R and S.                                           S
                           Read the bar graph care fully and
                           answer the following ques  ons.                    R

                           (a)  What type of a bar graph is given             K

                                alongside?
                           (b)  How many names start with le  ers            Le ers with which names start  I
                                D and I?

                            (c)  With which le  er do the most                H

                                names start?                                    D
                           (d)  How many names start with H?

                                                                              A
                           (e)  How many students are there in
                                the class?
                                                                               0  2  4  6  8  10 12 14 16
                                                                                  Number of students






                                                                                 AƩ endance of 50 workers for fi ve days
                     2.  The a  endance of a par  cular group of
                           50 workers for fi ve days is represented                       Scale: 1 square = 10 workers
                           on the bar graph given alongside. Read
                           it carefully and answer the ques  ons                  50

                           that follow.                                           40
                           (a)  On which days was the a  endance              Number of workers   present  30
                                the same?                                         20     Monday  Tuesday  Wednesday  Thursday
                                                                                  10
                           (b)  What is the diff erence between                                                   Friday
                                                                                   0
                                the maximum and minimum                                         Days
                                a  endance?
                            (c)  On which day were 15 workers absent?

                           (d)  On which day were the maximum number of workers absent?




                                                                                                                        169
   174   175   176   177   178   179   180   181   182   183   184