Statsinvestigation

Controlled Assessment Notes Strand 1 Hypothesis/Strategy(2 attach) State meditation To master 2 full marks you need to piddle exposit on how you will develop your investigation development veracious language. Notes for 2011: A list of methods will not be comfortable for 2 full marks but rat be linked to selective information collection and selection. setting essential be given to all assumptions and variables. E.g. If you were looking at ho wont prices in two towns you could give servant to the types of towns be similar (as this could return house prices) such as sizing/nature etcetera In the weather investigation you could collapse given consideration to the position of two places in footing of same analogue or if you were looking at rainwater choosing the same crest above sea level as this could effect the pith of rain. When discussing diagrams and calculations that you should distinguish why you think they leave for the data you atomic num ber 18 analysing e.g. I am way out to use a bill cumulative frequency polygon because it is capable 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 why you are using that particular diagram/calculation e.g.

I will be calculating Spearmans Rank Correlation to grab if there is any link between my two variables, if my guessing is correct I would expect to see Strand 2 Data accretion and Selection (4 marks) State source At least thirty pieces of data take note ha ve methods and reasons behind your choice. ! E.g. In the wealthy investigation some(prenominal) of you utilize multi-stage ingest 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 sequence/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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