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प्रश्न
What secondary data?
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उत्तर
The word data means information statistical data and of two types
(i) Primary data, (ii) Secondary data
Secondary data: data which are not originally collected rather obtained from published or unpublished sources are known as secondary data.
Secondary data are collected by an individual or an institution for some purpose and are used by someone else in another context
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संबंधित प्रश्न
Explain the meaning of the term Class-mark.
Explain the meaning of the term Class limits.
Explain the difference between a frequency distribution and a cumulative frequency distribution.
The observation 29, 32, 48, 50, x, x + 2, 72, 78, 84, 95 are arranged in ascending order. What is the value of x if the median of the data is 63?
If the median of `x/5, x/4, x/2, x and x/3`, where x > 0, is 8, find the value of x.
| HINT | Arranging the observations in ascending order, we have `x/5, x/4, x/3, x/2, x` Median `= x/3 = 8.` |
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