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Compare weight and height.

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  • Essay length: 1555 words
  • Submitted: 04/02/2004
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GCSE Height and Weight of Pupils and other Mayfield High School investigations

The first 200 words of this essay...

Plan

I am going to compare weight and height

I will choose a random sample of 50% of all the people in year 11 this will be a mixture of 85 boys and girls. I have chosen a random sample because then the results will be fair.

I will get the random sample by using the RND button on the calculator. To do this press 2ndf, RND x 100. then with the resulting number find the corresponding number on the Mayfield data.

I have chosen height and weight because I think that there will be a very strong relationship.

I will look at the people in year 11 because there will be a larger difference in height and weight than if I used the data in year 7, and so my results will be better and easier to use.

My hypothesis is that the higher weight then the taller the person will be.

The data

Below is the random sample of 85 boys and girls in year 11. Some of the data was missing in the sample this could have been because it was missed by mistake when being typed or

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