Q. The sum of squared deviation of sample mean is 48 and total number of observation is 13 then the population variance is

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Q. The sum of observations is 12 and coefficient of absolute mean deviation is 18 then value of mean absolute deviation is

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Q. The shape of frequency distribution constructed in consideration of empirical rule is classified as

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Q. According to empirical rule, the mean and standard deviation interval that covers approximately 95.45% of data from a frequency distribution is

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Q. The output of 15 workers in hand made leather shoes company is as 50, 65, 70, 55, 62, 74, 75, 65, 70, 78, 79, 80, 68, 72, 67 then the range is

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Q. If the scatter or dispersion in the distribution is high on each side then this indicates

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Q. The technique used in measures of variations to show the direction of variation in set of observations is classified as

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Q. The total revenue (in crores) of five leather goods companies are as two companies have revenues between 10-20, one company has revenue between 20-30 and one company has revenue between 30-40 then the standard deviation is

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Q. In the classes of grouped data such as 10-15, 16-20, 21-25, 26-30 with respective frequencies of each class as 3, 5, 4, 3 then the range is

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Q. The measures which considers the mean or median to calculate average deviation does not includes

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Q. The variability measuring tool in which the standard deviation is divided by arithmetic mean and multiplied by 100 is classified as

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Q. Considering the set of values, the percentage of values that lies within three standard deviation of population plus population mean is

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Q. The difference between smallest observation in data set and largest observation in data set is classified as

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Q. Considering the standard deviation, the quartile deviation is equal to

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Q. For a given set of number of customers who visit a shoes shop in 5 consecutive days, the mean absolute deviation is 10 then standard deviation of data set is

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Q. The mean absolute deviation which is used as relative measure is called

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Q. In statistics, the distance or dispersion from the central value is classified as

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Q. The average deviation measures and distance measures are classified as measures of dispersion on the basis of

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Q. The number of emergency cases in hospital for five days are as 12, 15, 18, 16, 14 then variance of sample is

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Q. According to empirical rule, the standard deviation and mean interval that covers approximately 68.27% of data from a frequency distribution is

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