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

Q. Find the mode of the set (8, 5, 7, 10, 15, 21, 5, 7, 2, 5)

Q. If there is a very strong correlation between two variables then the correlation coefficient must be:

Q. In quality control of manufactured items, the most common measure of dispersion is:

Q. A data set may have no mode, one mode, or multiple modes.

Q. What are the method of collecting Primary Data

Q. If all the scores on examination cluster around the mean, the dispersion is said to be:

Q. The arithmetic mean is 12 and the number of observations are 20 then the sum of all the values is

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

Q. The standard deviation is independent of: