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Q. Secular trend can be measured by:

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

Q. If the observations of a variable X are, -4, -20, -30, -44 and -36, then the value of the range will be:

Q. In a regression analysis if r2 = 1, then :

Q. Which partition value divides the series into two equal parts.

Q. The strength (degree) of the correlation between a set of independent variables X and a dependent variable Y is measured by

Q. The scatter in a series of values about the average is called:

Q. The component of time series useful for long term forecasting is

Q. What is the median of the data 78, 56, 22, 34, 45, 54, 39, 68, 54, 84?

Q. Laspeyre's index = 110, Paasche's index = 108, then Fisher's Ideal index is equal to: