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

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

Q. The mean or average used to measure central tendency is called

Q. If the maximum value in a series is 25 and its range is 15, the maximum value of the series is:

Q. Which index number is called as ideal index number.

Q. Secular trend can be measured by:

Q. A numerical value used as a summary measure for a sample, such as sample mean, is known as a

Q. What is the purpose of a simple linear regression?

Q. Wheat crops badly damaged on account of rains is:

Q. The median of the data 13, 15, 16, 17, 19, 20 is: