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Which of the following data is not prima...

Which of the following data is not primary?

A

By visiting a certain class, gathering information about attendence of students.

B

By actual vistit to homes, to find numbers to amily members

C

To get information regarding plantiation of sayabean done by each farmer from the village Talathi

D

Review the cleaniness status of canals by actually visting them.

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Knowledge Check

  • In relation to gross primary productivity and net primary productivity of an ecosystem . Which one of the following statements is correct ?

    A
    gross primary productivity is always more than net primary productivity
    B
    gross primary productivity and net primary productivity are one and same
    C
    there is no relationship between gross primary productivity and net primary productivity
    D
    gross primary productivity is always less than net primary productivity

  • If the largest and the smallest observation of the data are 170 and 40 respectively, then which of the following is the range of the data?

    A
    150
    B
    130
    C
    140
    D
    210

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    Which of the following is ane example for primary alcohols ?

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    Classify the following information as primary or secondary data. For a school project, literacy percentage of give villages gathered by a student from the internet.

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