Question: For variable data we often look at the variablity WITHIN the samples. For this we could look at the RANGE or the Standard Deviation of

For variable data we often look at the variablity

For variable data we often look at the variablity WITHIN the samples. For this we could look at the RANGE or the Standard Deviation of the values in the sample. a) Why would we choose RANGE over Standard Deviation of a Sample? (4 marks) b) Is there some guidelines we would use? (3 marks) c) When would you look at taking a very large sample ( n=100 or more)

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