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Q. The measure of dispersion which uses only two observations is called:

Q. A furniture retail chain operates several stores across the country. A table is to be constructed to showing the number of employees in each region, organized into groups. Which of the following sets of categories would NOT be suitable for use in such a table?

Q. The percent of total variation of the dependent variable Y explained by the set of independent variables X is measured by:

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. The degree of peaked ness or flatness of a unimodel distribution is called:

Q. What is the value of the first quartile for observations 15, 18, 10, 20, 23, 28, 12, 16?

Q. In Price Index Numbers prices can either be ?

Q. When the values in a series are not of equal importance, we calculate the:

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

Q. The percent of the total variation of the dependent variable Y explained by the set of independent variables X is measured by: