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HYPOTHESIS Blonde girls are more intelligent than non blonde girls. Blonde girls that have a higher IQ watch comparatively less television. This will not be the case however for non blondes as there will be little or no correlation.

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  • Essay length: 2753 words
  • Submitted: 31/03/2006
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GCSE IQ Correlation

The first 200 words of this essay...

GCSE Statistics Project

DATABASE

I am going to use the Mayfield High School Database which is secondary data for my investigation.

HYPOTHESIS

* Blonde girls are more intelligent than non blonde girls.

* Blonde girls that have a higher IQ watch comparatively less television. This will not be the case however for non blondes as there will be little or no correlation.

* The IQs for non blonde girls and blonde girls are normally distributed.

PLAN FOR DATA COLLECTION

I shall collect data the relevant data to my hypothesis first separating by Gender and then gathering relevant information on IQ, Hair Colour and Number of Hours of Television viewed.

I shall use a sample size of 50 blonde girls and 50 non blonde girls as I feel that a sample size of 100 offers a good proportion to analyse being that there are roughly 1,182 entrants in the database. Also 100 is a good round even number which will make calculations of the data easier.

I will use stratified sampling so that a there is not a disproportionate number of any particular group and so

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