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July 26th, 2015, 03:13 AM  #1 
Member Joined: Nov 2014 From: Australia Posts: 38 Thanks: 0  investigating appropriateness of sample size
i need help with the last dotpoint on the attached sheet, where it says "investigate the appropriateness of the sample size using math evidence" I think i sort of have an idea of what to do, but not entirely sure. Do we use the central limit theorem? Do we use the sample size equation which is n=(2x1.96σ/w)^2 Do we use the 95% confidence interval? or do we use the standard deviation?? please help me, that's the last question on the sheet 

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