Q. The calculation of average which is calculated by pooling the data together from different data sets is classified as

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Q. The distribution which has outliers with relatively lower values is considered as

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Q. The concept used in calculation of index numbers and where smaller observations must be taken into consideration is called

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Q. The numerical value which shows the tendency around central value of cluster is classified as

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Q. The properties such as variation, central tendency and shape of distribution of frequency are basis to extract information from

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Q. If value of mode is 14 and value of arithmetic mean is 5 then the value of median is

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Q. The type of central tendency measures which divides data set into four equal parts is

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Q. The product A has per unit contribution of 6 with the sold quantity of 120 units, product B has per unit contribution of 8 with sold quantity of 100 units and product C has per unit contribution of 10 with sold quantity of 130 units then the weighted average mean is

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Q. The Σxwis divided by Σwis used to calculate

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Q. The marks of 20 students out of 15 in class test are as 10, 11, 12, 12.5, 13.5, 14, 10, 11, 12, 12.5, 13.5, 14, 8, 9, 9, 8, 10, 11, 11.5, 12.5 then average marks of class is

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Q. The value of Σfd is 165, A= 25, and width of class interval is 10, arithmetic mean is 145 then the number of observations are

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Q. If the central tendency is found by using sample data from population then this is classified as

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Q. If the value of three measures of central tendencies median, mean and mode then the distribution is considered as

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Q. The distribution in which the values of median, mean and mode are not equal is considered as

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Q. The sample stability and ability to be easily understandable are requirements to measure

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Q. The type of central tendency measures which divides data set into 100 equal parts is classified as

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Q. The marks of Cambridge univerdity students in mathematics test out of 20 are 18, 17, 16, 15, 14, 17, 16, 14, 13, 12, 12, 11, 14, 19, 18

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Q. In an hospital in Boston (USA), the number of heart patients who visited cardiologist in 17 days are 11, 12, 15, 18, 17, 12, 14, 15, 16, 17, 18, 13, 19, 14, 18, 13, 20

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Q. The service time (in minutes) at airport ticket counter is as 4.5, 5.5, 6, 7, 8, 8.5, 4, 3, 3.5, 2.5, 3.8 then the median of the data is

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Q. The number of observations are 24 and value of x̅ is 28 then the sum of all the values is

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