Take a quiz – Central Tendency and Dispersion by Soumyadip Pal | Mar 15, 2017 1. Which is the most suitable measure of central tendency for a large data set with no outliers? Mean Median Mode Variance 2. To get a good idea about the nature of the data, which of the following should be stated together? Mode and Median Median and variance Median and standard deviation Mean and standard deviation 3. Why is variance not too useful? It is difficult to calculate It is a large number Squared units are difficult to interpret It gives us very little idea about the deviation 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? Inter-quartile range Range Standard deviation Difference between mode and median 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)? Variance Standard median Standard deviation Coefficient of deviation 6. For a particular data set, first quartile = 427, second quartile = 812, third quartile = 1158, fourth quartile = 1499. What is the inter-quartile range? 1072 346 731 687 Loading …