The mean daily profit of a shopkeeper in a month of 30 days was Rs 650. The mean profit for the first two weeks was Rs 575 and the mean profit for the third week was Rs 400. His mean profit for the remaining days was
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The mean daily profit of a shopkeeper in a month of 30 days was Rs 650. The mean profit for the first two weeks was Rs 575 and the mean profit for the third week was Rs 400. His mean profit for the remaining days was (A) Rs 325· 20 (B) Rs 961· 11 (C) Rs 100· 00 (D) Rs 923· 25
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 JNU SIS 2012 paper. Solutions are TestStop's own. Not affiliated with or endorsed by any examination authority.