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II  Hours of sunshine  II  II  II                                               calculator I




         This graph shows the number of hours
                                                                 week commencing 3 July
         of sunshine (to the nearest hour)
                                                                12
         in  a seaside resort for a week.
                                                               11
         [!]    a  Calculate the mean number                   10
                                                                9
                   of hours of sunshine
                                                                8
                   for one day.
                                                                7
                b  Which days are above                         6
                   the mean?                                    5
                                                                4
                c  What is the range?                           3
                d  Would this be a good week                    2
                   for a  holiday?                              1
                                                                0
                   Explain what you think.



                                                                 week commencing 10 July
                                                               12
                                                               11
                                                               10
                                                                9
                                                                8
         @]     Now do the same for this graph                  7

                for the following week.                         6
                                                                5
                                                                4
                                                                3
                Explain which week you would                    2
                prefer for your holiday and why.                1
                                                                0
                                                                   M  Tu  W  Th  F  Sa Su



            CHALLENGE                                                                                    ~I

            •  For the next week, the mean number of hours of
               sunshine for a day was 6 hours.
            •  Only two days had the same amount of sunshine.
            •  No day had more than 12 hours of sunshine.
            •  Design a suitable graph.



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