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Statistical Data : Primary Data and Seco...

Statistical Data : Primary Data and Secondary Data.

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Classify the data in Q.1 above as primary or secondary data.

Which one of the following is not the graphical representation of statistical data: bar graph (b) Histogram Frequency polygon (d) Comulative frequency distribution

Knowledge Check

  • The measure of central tendency of a statistical data which takes into account all the data is (i) mean (ii) median (iii) mode (iv) range

    A
    mean
    B
    median
    C
    mode
    D
    range

  • Red Data Book deals with

    A
    organisms on the verge of extinction
    B
    endemic plants
    C
    oragnisms showing photoperiodism
    D
    organisms that are extinct

  • An data set has a mean of 12 and a standard deviation of 2. If 5 is added to twice each data value, the new data set has

    A
    a mean of 24 and a standard deviation of 10
    B
    a mean of 24 and a standard deviation of 15
    C
    a mean of 29 and a standard deviation of 15
    D
    a mean of 29 and a standard deviation of 4

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    What is Red Data Book ?

    Red List contains data or information on

    What type of ecological pyramid would be obtained with the following data ? Secondary consumer : 120 g Primary consumer : 60 g Primary producer : 10 g

    What type of ecological pyramid would be obtained with the following data ? Secondary consumer : 120 g Primary consumer : 60 g Primary producer : 10 g

    What type of ecological pyramid would obtained with the following data? Secondary consumer : 120 g Primary consumer : 60 g Primary producer : 10 g

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