Discussion
Match the following items in List - I with most suitable options in List - II :
| List - I | List - II |
|---|---|
| (a) Fisher | (i) Inverse probability |
| (b) Karl Pearson | (ii) Normal Distribution |
| (c) Thomas Baye's | (iii) Correlation Coefficient |
| (d) Karl Gauss | (iv) Index Numbers |
Codes : (a) (b) (c) (d)
Answer: B
The correct match is (a)-(iv), (b)-(iii), (c)-(i), (d)-(ii). Fisher is linked with index numbers (his ideal index), Karl Pearson with the correlation coefficient, Thomas Bayes with inverse probability, and Karl Gauss with the normal distribution.
The other codes switch the last pairs, for example giving the normal distribution to Bayes or inverse probability to Gauss, which does not follow the history of the topics.
Fisher's ideal index is the geometric mean of the Laspeyres and Paasche indices.
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