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Q. The suitable average for qualitative data is

Q. In a moderately skewed distribution, the value of mode is 120 and that of median is 140. Find the value of arithmetic mean.

Q. Weighted G.M. of relative formula satisfy test

Q. The mean or average used to measure central tendency is called

Q. The sum of squared deviations is minimum when taken from:

Q. In statistics out of 100, marks of 21 students in final exams are as 90, 95, 95, 94, 90, 85, 84, 83, 85, 81, 92, 93, 82, 78, 79, 81, 80, 82, 85, 76, 85 then mode of data is

Q. For a symmetrical distribution, Q1 and Q3 are 20 and 60 respectively. The value of median will be:

Q. Find the mean of 13,18,13,14,13,16,14,21,13

Q. Given below the four sets of observations. Which set has the minimum variation?

Q. Bowley's coefficient of skewness lies between: