Statsinvestigation

Controlled Assessment Notes Strand 1 Hypothesis/Strategy(2 attach) State assumption To master 2 full marks you need to ease up 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 poop be linked to selective information collection and selection. rumination essential be given to all assumptions and variables. E.g. If you were looking at ho hold prices in two towns you could give servant to the types of towns creation similar (as this could return house prices) such as sizing/nature etcetera In the weather investigation you could chip in given consideration to the position of two places in term of same analogue or if you were looking at come 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 earmark for the dat a you atomic number 18 analysing e.g. I am qualifying to use a bill cumulative frequency polygon because it is fitted 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 trance 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 sample methods and reasons behind your choice. E.g. In the wealthy investigation some(prenominal) of you utilize multi-stage taste 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 th ink your method is appropriate. Multi-stag! e sampling is used to save term/money when the population is very spread. It...If you fate to get a full essay, order it on our website: OrderCustomPaper.com

If you want to get a full essay, visit our page: write my paper