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Managerial Economics

The GM of a set of five numbers is 2. The GM of a set of four numbers is 4. What is the GM of the numbers if both the sets considered together? 2. What do you mean by bi-modal incase of measures of central tendency? 3. If mean and SD are 50 and 10 then what is the value of Coefficient of Variation. 4. What is the empirical relationship between Mean, Median and Mode? 5. The mode always found at the highest point of a graph of a data distribution. (T/F) 6.

For a data with 50 observations, the median will be the value of the 25 the observation. (T/F) 7. When referring to a curve that tail longer towards left end, you would call it 8. When a distribution is symmetrical and has one mode, the highest point on the curve is called the 9. What HEM? 10. Explain Probability Name… N. B: Over write of answer will not be evaluate Roll NO… 2 1 . Measures of central tendency in a data set refer to the extent to which the Managerial Economics By Nit-Starkly 2. The mean of 50 observations was worked out as 45 by a computer

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who by mistake took the value 54 in place of 45 for one observation.

Re-calculate the correct mean. 3. Extreme values in a data set have a strong effect on the median. (T/F) 4. The difference between the largest and smallest observations in a data set is called the geometric mean. (T/F) 5. The SD of the first n natural numbers is 6. Which is the first step in calculating the median of a data set? 7. Explain the expected value of x 8. The sum of squares of deviations from mean is . 9. What do you mean by bi-modal incase of measures of central tendency? 10. A probability of getting the digit 2 in a throw of unbiased dice is Name… …… ? Roll NO… ..

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