Page 29 - 新思维数学学生用书3 样章
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2   Statistics: tally charts and frequency tables


           2  Stage 3 learners cannot agree about which sport is the

               most popular in their class, so they do a survey to find out.

               Santilla writes her data as a tally chart. Rose writes her data

              in a frequency table.

               Santilla’s tally chart                                Rose’s frequency table


                  Sport                    Tally                        Sport               Frequency


                  cricket                                               cricket             9

                  football                                              football           14

                  basketball                                            basketball          9

                  swimming                                              swimming           12


                  running                                               running             6


              Discuss with a partner how the two tables are different.

              Do they both record the same data?

              What are the advantages and disadvantages of each table?


               a  Which sport is liked the most?


               b  Which two sports are liked by the same number of people?




               c  How many people took part in the survey?


               d  Write two things that the data does not tell you.


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