SAMPLING ERRORS AND DEVIATION 0.0 / 5 ? Business StudiesMarketing and competitive environmentsMarketing mixA2/A-levelOCR Created by: Michaela96Created on: 02-02-14 12:35 What are non sampling errors? give 5 examples Errors that occur regardless of techniques, e.g. hard questions, pressure, private data, influential questions, leading questions 1 of 7 What is a sampling error? The difference between mean value and actual value 2 of 7 What is a scatter graph used for? The correlation between two variables 3 of 7 What are 2 advantages of extrapolation? Helps to preplan, helps set objectives 4 of 7 Give 3 disadvantages of extrapolation it's not accurate, people may become complacent, competitors may see 5 of 7 What is standard deviation? How spread out data is compared to a mean 6 of 7 How do you work out standard deviation? calculate mean, see how much it deviates compared to mean & square it, add the squared numbers, divide by the number of them 7 of 7
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