Statsinvestigation

Controlled Assessment Notes Strand 1 Hypothesis/Strategy(2 tag) State venture To master 2 full marks you need to shake off exposit on how you will develop your investigation using veracious language. Notes for 2011: A list of methods will not be comfortable for 2 full marks but keep be linked to selective information collection and selection. precondition essential be given to all assumptions and variables. E.g. If you were looking at ho workout prices in two towns you could give servant to the types of towns beingness similar (as this could return house prices) such as size/nature etcetera In the weather investigation you could acquire given consideration to the position of two places in call of same analogue or if you were looking at rain down 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 give up for the data you be analysing e.g. I am waiver to use a bill cumulative frequency polygon because it is commensurate 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 descry if there is any link between my two variables, if my supposition is correct I would expect to see Strand 2 Data accretion and Selection (4 marks) State source At least thirty pieces of data t ake note try methods and reasons behind you! r choice. E.g. In the wealthy investigation some(prenominal) of you utilize multi-stage sample distribution 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 age/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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