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To analyse the distribution of the number of hours spent watching TV per week and IQ's for students in year's 7 and year's 9 and to see if there is a relationship between them.
- Words:
- 1809
- Submitted:
- Wed Aug 27 2003

... Maths investigation 2002 MAYFIELD HIGH SCHOOL Aim: To analyse the distribution of the number of hours spent watching TV per week and IQ's for students in year's 7 and year's 9 and to see if there is a relationship between them. Hypothesis: 1) I predict that the more hours spent watching TV per week, the lower the pupils IQ will be. This is for both year groups (year 7 and year 9). 2) The younger the person is, the more TV they will watch. Method: I chose 35 samples of both boys and girls from year 7 and year 9. I used random sampling by pressing the random button on my calculator, and taking the first two numbers to get my samples. As they were randomly chosen, I had to re-arrange them into numerical order for both IQ and number of hours spent watching TV per week. I then designed different tables and graphs in














