Calculate the weighted arithmetic mean of 10, 20 and 30 for each of the following weight sets, then arrange the results in descending order: (A) weights 3, 2 and 1 respectively (B) weights 1, 1 and 3 respectively (C) weights 1, 2 and 3 respectively (D) weights 2, 1 and 2 respectively
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Descriptive statistics and dispersion has come up 117 times in 6 exams since 2004.
This question is on The arithmetic mean and its properties, part of Descriptive statistics and dispersion in Statistics.
Computing the mean from raw and grouped data, and what changes when data are shifted, scaled or corrected.
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Question from the CUET-PG 2024 paper. Solutions are TestStop's own. Not affiliated with or endorsed by any examination authority.