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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Q. The per day wage of 15 employees of different departments is as 620, 640, 750, 850, 650, 720, 730, 785, 630, 740, 900, 880, 780, 690, 850 then the value of x̅ is

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Q. In the measure of central tendency, the population parameter is denoted by

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Q. The product W has per unit contribution of 8 with sold quantity of 124 units, the product X has per unit contribution of 5 with the sold quantity of 105 units, product Y has per unit contribution of 9 with sold quantity of 135 units, product Z has per unit contribution of 12 with sold quantity of 140 units then the weighted average mean is

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Q. Around the central value of observations, the extent to which the values depart from normal distribution is classified as

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Q. The measure of central tendency which represents over time multiplicative effects for inflation and compound interest is considered as

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Q. If the frequencies widely varies between different classes, then the measure of central tendency must be used is

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