A population may contain separate gatherings or strata. individually(prenominal) group acquires to be jolly represented in the sample. The fall from each group is proportional to the group size. The alternative is hence 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. agree 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 blame my sample of 60 pupils because it is big bountiful to represent the all told school, I will do this employ my calculator by pressing 370Ran# this will give me a random turn of events in decimals I will then round it move out. If a number comes up more than one time I will ignore it. I will right off keep going unt il I clear a ripe 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.
86 Â Â Â Â Â Â Â Â 80 1.51 Â Â Â Â Â Â Â Â 38 1.57 Â Â Â Â Â Â Â Â 54 1.61 Â Â Â Â Â Â Â Â 45 1.5 Â Â Â Â Â Â Â Â 45 1.52 Â Â Â Â Â Â Â Â 44 1.62 Â Â Â Â Â Â Â Â 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 wrap up could have benefited from a kick the bucket statement at the very beginning as to the plan of your investigation. You need to take advantage the title of your paper. It would be advisable to remove r eferences to pages containing diagrams (e.g., scatter diagram, histogram and turning point plot) which have not been provided. Commendable effort! This is now the tertiary time this information has been provided, although I billhook the slight reposition in your title. If you want to get a full essay, rule it on our website:
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