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Q. If r is the simple correlation coefficient, the quantity ?2 is known as ...................

Q. Index no. for the base period is always taken as

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

Q. What type of index number can help the government to formulate its price policies and to take appropriate economic measures to control prices:

Q. The variate values which divide a series into ten equal parts are called:

Q. If the coefficient of determination is equal to 1, then the correlation coefficient :

Q. Circular Test is one of the tests of

Q. The sum of absolute deviations is minimum when taken from:

Q. Relationship between correlation coefficient and coefficient of determination is that