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I have decided to test a group of pupils in order to investigate if there is a difference in ability to estimate the size of an angle and the length of a line.
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I have decided to test a group of pupils in order to investigate if there is a difference in ability to estimate the size of an angle and the length of a line. The factors that can be looked at are as follows: - * Set * Gender * Location of line / angle In order to test all these factors I will need a range of pupils selected at random from a range of sets. I have decided that 18 pupils, selected from three sets will be appropriate for my investigation. I will select 6 pupils, three male and three female, from sets 1, 3 and 5. The quota of eighteen pupils I will use from the sets will give me an appropriate, representative sample. Since there are three different ability sets of pupils (sets 1, 3, and 5) that are to be tested, with a wide gap between them...
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