My hypothesis is that people with siblings have a lower IQ than people without siblings. Also that people with lower IQ's have lower KS2 results.
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- 1057
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- Tue Aug 12 2003

... Data Handling Task Matthew Moorhouse Hypothesis My hypothesis is that people with siblings have a lower IQ than people without siblings. Also that people with lower IQ's have lower KS2 results. IQ Levels Using all the pupils available for KS4, I made a scatter graph showing how many siblings a pupil has against their IQ. I saw several points, which were extreme so I deleted these from my graphs. At this point I looked for a line of best fit but the line was almost horizontal so it would have been of no use. After this I made a bar graph so I could see how many pupils had a given IQ. This showed a concentration of pupils around the 100 - 104 area. I produced several bar graphs so I could easily see any relation between sibling numbers and IQ. The sort of relation I was looking for was that pupils with no siblings













