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  • Question 1
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    Choose the correct answer from the alternatives given :
    Directions for questions 71 to 75: The graph shows the production of wheat in different years of a particular State
    The percentage increase in production of wheat from 1997-1998 is

  • Question 2
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    Choose the correct answers from the alternatives given.
    Directions for question 71 to 73: Study the following bar chart and answer the questions based on it.
    The histogram below shows the marks of 50 students in an examination. Examine the diagram and answer the questions.
    How many students obtained less than 40 marks?

  • Question 3
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    _______ of data refers to the table where data are classified on the basis of single characteristics.

  • Question 4
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    Choose the correct answer from the alternatives given.
    Directions for questions 71 to 75: Study the following bar-graph and answer the questions.
    What is the ratio of highest consumption in the year 2012 2012 and 20132013 respectively?

  • Question 5
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    Consider the following statements:
    (1) Mean is independent of change in scale and change in origin
    (2) Variance is independent of change in scale but not in origin
    Which of the above statements is/are correct?

  • Question 6
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    Study the following information carefully and answer the questions given below.
    The sub divided bar diagram given below depicts the result of Class XII students of a school for three years.
    The number of students passed with third class in the year 20022002 is 

  • Question 7
    1 / -0

    Study the following information carefully and answer the questions given below.
    The sub divided bar diagram given below depicts the result of Class XII students of a school for three years.
    The number of students passed with second class in the year 20022002 is

  • Question 8
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    Consider the following statements:
    1.1. Variance is unaffected by change of origin and change of scale.
    2.2. Coefficient of variance is independent of the unit of observations.
    Which of the statements given above is/ are correct?

  • Question 9
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    The coefficient of correlation when coefficients of regression are 0.20.2 and 1.81.8 is

  • Question 10
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    "An average is a value which is typical or representative of a set of data". This definition is given by.

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