They conduct a small survey among 30 people, asking the question:

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Presentation transcript:

Chris and his friends are planning to sell chocolate bars at the school tuck shop. They conduct a small survey among 30 people, asking the question: How many chocolate bars do you eat in a typical week?

Here are their results: 1. Draw graphs or charts to compare the results for males and females

2.a Give two reasons why Chris is wrong in his reasoning. Chris says: We have found that the total number of bars eaten by the males is 183, and the total number by the females is 92. In general, this means that boys eat more chocolate than girls.” 2.a Give two reasons why Chris is wrong in his reasoning. 2.b Help Chris by writing one useful conclusion (comparing males and females) which is supported by the data. He must be convinced, so make sure he can understand your thinking.