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SAI International School


                                                        Grade-VII

               Mathematics


               HOME ASSIGNMENT – 1

               Chapter-3: Data Handling(1)





               HOME ASSIGNMENT


                   1.  Find the mean of the first five whole numbers.
                   2.  A cricketer scores the following runs in 8 innings:

                       58, 76,40,35,46,45,0,100

                       Find the mean score.


                   3.  The marks (out of 100) obtained by a group of students in a science test are 85,
                       76, 90,85,39,48,56,95,81 and 75.Find the:

                       (i)    Highest and lowest mark obtained by the students
                       (ii)   Range of the marks obtained
                       (iii)   Mean marks obtained by the group

                   4.  The following are the graders obtained by students of a music class. Tabulate
                       this information using tally marks and answer the questions given below.

                                 A, B, C, E, D, A, B, D, D, E, A, A, B, B, B, C, C, C, E, D, A, A, B,
                                 C, C, D, C, B, A, A, D, E, D, D, B, A, C, C, B, A



                     (i) How many students got A grade?
                     (ii) If E is the failing grade, how many students failed?
                     (iii) How many students appeared for the music test?




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