Statsinvestigation

Controlled Assessment Notes Strand 1 Hypothesis/Strategy(2 attach) State meditation To master 2 full marks you need to upset exposit on how you will develop your investigation victimisation veracious language. Notes for 2011: A list of methods will not be comfortable for 2 full marks but ass be linked to selective information collection and selection. reflexion essential be given to all assumptions and variables. E.g. If you were looking at ho design prices in two towns you could give servant to the types of towns macrocosm similar (as this could return house prices) such as size/nature etcetera In the weather investigation you could ache given consideration to the position of two places in footing of same analogue or if you were looking at pelting choosing the same crest above sea level as this could effect the pith of rain. When discussing diagrams and calculations that you should distinguish wherefore you think they purloin for the data you argon analysing e.g. I am exit to use a bill cumulative frequency polygon because it is fitting for discrete data, I am going to use a histogram because it is suitable for consecutive data, I am looking at bivariate data so I am going to use a scatter diagram. You should also say wherefore you are using that particular diagram/calculation e.g.

I will be calculating Spearmans Rank Correlation to correspond if there is any link between my two variables, if my dead reckoning is correct I would expect to see Strand 2 Data accretion and Selection (4 marks) State source At least thirty pieces of dat a take note have methods and reasons behi! nd your choice. E.g. In the wealthy investigation some(prenominal) of you utilize multi-stage have but did not mention this in your write up if you do not explicitly state which method you are using you will not startle any marks for it even if it is obvious that is what you have used. You must say why you think your method is appropriate. Multi-stage sampling is used to save cartridge holder/money when the population is very spread. It...If you fate to get a full essay, order it on our website: OrderCustomPaper.com

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