Q. The arithmetic mean of the observation, 9, 12, 16, 22, 37 and 42 is: 21222324 Answer: 23
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Q. Which of the following is positional average? MeanMedianModeAll of the above Answer: Median
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Q.The mean value of the marks obtained by 25 students in a class is 30 marks. If 15 marks added to every students, then new mean is: 30354555 Answer: 45
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Q. Quartile divide the series into how many parts? TwoThreeFourTen Answer: Four
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Q. Which quartile is called median? Q1Q2Q3Q4 Answer: Q2
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Q. Simple arithmetic mean is also called: Weighted meanUnweighted meanRelative meanAll of these Answer: Unweighted mean
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Q. The sum of deviation calculated from mean is: ZeroMinimumMaximumNone of the above Answer: Zero
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Q. Arithmetic mean is based on the assumption of the class interval in case of: Individual SeriesDiscrete SeriesOpen ended SeriesNone of the above Answer: Open ended Series
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Q. The average which is based on all observations of the series is called: MeanMedianModeIndex Number Answer: Mean
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Q. Measures of Central Tendency is Quartile DeviationMean DeviationStandard DeviationMean Answer: Mean
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Q. The measure of central tendency which is most strongly affected by extreme values in the distribution is: MeanMedianModeNone of above Answer: Mean
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Q. Percentiles divide a series into ______. Ten equal partsTwenty equal partsFifty equal partsHundred equal parts Answer: Hundred equal parts
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