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Q. Periodic movements with duration longer than a year are called

Q. Index number calculated by Fisher's formula is ideal because it satisfy:

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

Q. If one of the regression coefficients is greater than unity, the other must be:

Q. One of the following methods of calculating mode is:

Q. A complete business cycle consists of a period of:

Q. The suitable average for qualitative data is

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

Q. Half of the difference between upper and lower quartiles is called:

Q. For a distribution of data, if the arithmetic mean> median>mode, then which of the following is true?