Mommy Dionesia, a bag collector, is investigating on the sales of Hermes bags at three high-end shopping malls in Cagayan de Oro City. The numbers of Hermes bags sold at these three malls for each of the last four weeks are shown in the table. Test at 0.05 level of significance if there is a significant difference in the mean number of Hermes bags sold among the three malls.

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