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प्रश्न
Which of the two – the primary or the secondary data – is more reliable and why?
उत्तर
The word data means information statistical data and of two types
(i) Primary data, (ii) Secondary data
Primary data are reliable and relevant because they are original in character and are collected by some individuals or by research bodies.
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| 100 – 150 | 6 |
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The monthly pocket money of ten friends is given below:
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₹ 80, ₹ 65, ₹ 35, ₹ 65, ₹ 50, ₹ 30, ₹ 60, ₹ 35, ₹ 65, ₹ 30
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