Page 30 - 新思维数学学生用书3 样章
P. 30

2.1  Tally charts and frequency tables



              3                                                         I have lots
                                             I think more
                                        people have sisters         of brothers so I

                                           than brothers.             don’t agree.




                                            How can we               We can ask

                                              find out?        everyone to record it


                                                                   as tally marks.



                  Complete the table by asking the children in your class
                 how many sisters and brothers they have.


                                         Brothers           Sisters         Total tally       Frequency


                          0

                          1

                          2

                          3


                          4

                          5

                          6


                 Write four things that the table shows you about your data.


                  1


                  2

                  3


                  4












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