Discussion
Match the items of List - I with List - II :
| List - I | List - II |
|---|---|
| I. Averages | 1. Correlation |
| II. Averages of averages | 2. Measures of dispersion |
| III. Variables | 3. Chi-square |
| IV. Attributes | 4. Measures of central tendency |
Codes :
I II III IV
Answer: A
The key matches I with 4, II with 2, III with 1 and IV with 3 (option A). Averages are measures of central tendency (I-4). The key treats averages of averages as measures of dispersion (II-2). Variables, which are measured quantities, are related by correlation (III-1), and attributes, which are qualitative categories, are tested by chi-square (IV-3). Option B swaps III and IV, giving variables chi-square, option C gives averages of averages chi-square and variables dispersion, and option D starts by pairing averages with measures of dispersion although averages are measures of central tendency.
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