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Statistics Test...

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  • Question 1
    1 / -0

    The percentage of marks obtained by 100 students in an examination are as follows:

    Marks 30-35 35-40 40-45 45-50 50-55 55-60 60-65
    Frequency 10 15 18 22 23 8 4

    The median class is

  • Question 2
    1 / -0

    The percentage of marks obtained by 100 students in an examination are as follows:

    Marks 130-135 135-140 140-145 145-150 150-155 155-160 160-165
    Frequency 10 15 18 22 23 8 4

    The cumulative frequency of the class interval 150 – 155 is

  • Question 3
    1 / -0

    Construction of cumulative frequency table is useful to determine

  • Question 4
    1 / -0

    For the following distribution

    Class 60 – 70 70 – 80 80 – 90 90 – 100 100 – 110
    Frequency 10 15 12 20 9

    the sum of lower limits of the median class and modal class is

  • Question 5
    1 / -0

    For the following distribution

    Class 60-70 70-80 80-90 90-100 100-110
    Frequency 13 10 15 8 11

    the upper limit of the median class is

  • Question 6
    1 / -0

    Consider the data

    Class 65-85 85-105 105-125 125-145 145-165 165-185 185-205
    Frequency 4 5 18 20 17 7 4

    The difference of the upper limit of the median class and the lower limit of the modal class is

  • Question 7
    1 / -0

    The middle most value of the data is

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