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1. Which is the most suitable measure of central tendency for a large data set with no outliers?


2. To get a good idea about the nature of the data, which of the following should be stated together?


3. Why is variance not too useful?


4. A factory has makes a component to a certain dimension as per the specification. However, the specifications allow the dimensions to lie between +2% and -2% of the actual dimension. What measure of dispersion is this allowance?


5. A bank has a list of branches and the total outstanding credit at each branch (in crore Rupees). Which of the following measures would be in the same unit (crore Rupees)?


6. For a particular data set, first quartile = 427, second quartile = 812, third quartile = 1158, fourth quartile = 1499. What is the inter-quartile range?