Exam Questions on Basic Statistics

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Exam Questions on Basic Statistics

  1. 1. Class test1. Define Statistics with its application in different fields.2. What is variable? Give a few examples of it.3. For the following table, construct a line graph Months Aug Sep Oct Nov Dec Share index 200 350 400 150 504. Explain the concept of sample and population along with their examples.5. Explain the concept of discrete and continuous variable along with examples.6. Explain the concept of qualitative and quantitative variable along with examples.7. Explain the concept of independent and dependent variable along with examples.8. Explain different scales of measurement along with examples.9. For the following table, construct a histogram class frequency 5 – 10 5 10 – 15 10 15 – 20 15 20 – 25 10 25 – 30 510. Construct a steam & leaf plot for the following data11. 11,14,16,21,23,24,27,30,31,35,36,37,38,40,41,42,43,50,5112. Classify the variables as quantitative/qualitative Number of customers, Color, Marital status, Length, Number of students in BBA13. Classify the variables as nominal/ordinal/interval/ratio Age, Gender, Health status, Academic degree, Color, Weight, Disease status, Place of residence, Calendar time, IQ test score.14. Let X = age, Y = weight. Then construct a scatter diagram for the data below X 1 2 3 4 5 6 7 8 9 10 Y 5 10 15 20 25 30 35 40 45 5015. Classify the variables as discrete/continuous Shirt size, Number of students in IUBAT, Weight, Volume of a 1L Coke, Shoe size16. Write down the advantages of different graphs.17. Write down the disadvantages of different graphs.18. Distinguish between bar diagram and histogram. Md. Mortuza Ahmmed

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