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Q. Find the Mode of 5, 3, 27, 5, 9, 3, 8, 5:

Q. If Q3=20 and Q1=10, the coefficient of quartile deviation is:

Q. Index nos. show changes rather than absolute amounts of change.

Q. If all the points of a scatter diagram lie on a straight line falling from left upper corner to the right bottom corner, the correlation is called...................

Q. One use of a regression line is

Q. play a very important part in the construction of index nos

Q. Standard deviation is always computed from

Q. In a moderately asymmetrical distribution, the mode and mean are 32.1 and 35.4 respectively. Calculate the median.

Q. Secular trend can be measured by:

Q. Which of the following is a component of timer series;