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Topic: Collecting Data (Higher - Unit 1)

Specification References: S3.1 S3.1 Design and use two-way tables for grouped and ungrouped data.

Candidates should be able to:

• design and use two-way tables
• complete a two-way table from given information

Examples

1. The table shows the gender of pupils in each year group in a school.
   
   

   Gender / Y	7	8	9	10	11
   Male	82	89	101	95	92
   Female	75	87	87	99	101

   
   
   1. Which year group had the most pupils?
   2. What percentage of Year 9 are boys?
   3. A student from the school is chosen at random to welcome a visitor.
      What is the probability that this student is a Year 7 girl?

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