Exam Questions on Basic Statistics

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Exam Questions on Basic Statistics

  1. 1. INTERNATIONAL UNIVERSITY OF BUSINESS AGRICULTURE AND TECHNOLOGY First term examination STA 240 Full marks: 100 (10x10) Time: 50 minutes1. For the following table, construct a line graph: Months Aug Sep Oct Nov Dec Share index 200 350 400 150 502. Find the mean for the series 1000, 2000, 3000, …………, 50000.3. Find the two numbers whose HM=32/5 and GM=8.4. Find CV of two numbers 5 and 3.5. Find CV for the series 1, 2, 3, ………… , 10.6. If SD of 1st n natural numbers is √10, what will be the mean?7. Find MD and SD of the numbers 0, 1, 2.8. For any two numbers, GM=√7 and SD=3. a) Find the numbers. b) Find HM. c) Find variance. d) Find AM. e) Find median. f) Find CV. 9. Construct a steam & leaf plot for the following data: 11,14,16,21,23,24,27,30,31,35,36,37,38,40,41,42,43,50,5110. What is the median of the sample 4,5,7,9,6,3,2, 5, 1, 9, 8, 5, 8?
  2. 2. Md. Mortuza Ahmmed

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