Q. The average which is based on all observations of the series is called: Mean Median Mode Index Number Answer: Mean
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Q. Measures of Central Tendency is Quartile Deviation Mean Deviation Standard Deviation Mean Answer: Mean
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Q. The measure of central tendency which is most strongly affected by extreme values in the distribution is: Mean Median Mode None of above Answer: Mean
Q. Percentiles divide a series into ______. Ten equal parts Twenty equal parts Fifty equal parts Hundred equal parts Answer: Hundred equal parts
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Q. Which of the following is a characteristic of a mean? The sum of deviations from the mean is zero It minimises the sum of squared deviations It is affected by extreme scores All of the above Answer: All of the above
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Q. Which of the following diagrams is used to find the value of mode graphically? Pie chart Bar graph Histogram None of the above Answer: Histogram
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Q. ________ divides the data into four equal parts. Median Quartiles Mean None of the above Answer: Quartiles
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Q. The values of extreme items do not influence the average for_________. Mean Mode Median None of the above Answer: Median
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Q. What is the mean of the following numbers: 23, 45, 87, 40, 50? 49 34 56 None of the above Answer: 49
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Q. The number of observations smaller than ________ is the same as the number of observations larger than it. Median Mode Mean None of the above Answer: Median
