Tuesday, October 22, 2013

Mayfield high investigation

A population may contain separate assemblages or strata. individually(prenominal) group acquires to be evenhandedly represented in the sample. The itemise from each group is proportional to the group size. The alternative is because made at random from each group, this is called stratified sampling, and I need to use this to make sure my results represents each group fairly, the equation I need to use is: No. Of pupils in specific data X Sample No. follow No. Of pupils Stratified Sampling Yr 10 boys= 106/ 370 X 60= 17 Yr 10 girls= 99/370 X 60= 15 Yr 11 boys= 84/370 X =14 Yr 11 girls= 86/370 X 14 Boys= 17+14=31 Girls= 15+14=29 Now from this I go away randomly peck my sample of 60 pupils because it is big bountiful to represent the social unit school, I will do this employ my calculator by pressing 370Ran# this will give me a random tour in decimals I will then round it absent. If a number comes up more than one time I will ignore it. I will right off keep goin g until I befuddle a near set of data. Collecting The Data As I have already mentioned in my introduction, I will use a sample of 60 students. Upon victimization the random sampling sample. I realised that I would need 31 boys and 29 girls to fairly represent each group. Boys          Height         Weight 1.9         70 1.6         50 1.6         47 1.68         59 1.8         72 1.77         59 1.72         62 1.75         45 1.75         57 1.57         49 1.73         57 1.54         54 1.63         56 1.61         56 1.65         47 1.65         55 1.6         51 1.67         66 1.72         51 1.65         42 1.69         5 1.75         60 1.7          72 2         60 1.
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86         80 1.51         38 1.57         54 1.61         45 1.5         45 1.52         44 1.62         51 Here argon all the boys to be include in... Youve obviously put almost time and drift into documenting the results of your investigation. Your give notice (of) could have benefited from a kick the bucket statement at the very beginning as to the plan of your investigation. You need to trespass the title of your paper. It would be advisable to remove refer ences to pages containing diagrams (e.g., scatter diagram, histogram and niche plot) which have not been provided. Commendable effort! This is now the 3rd time this information has been provided, although I billhook the slight variegate in your title. If you want to get a full essay, format it on our website: BestEssayCheap.com

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