The range of simple correlation coefficient is

The hypothesis for a specific known value of _p can be tested by

A measure of linear association of a variable with a number of other variables is known as

Given the regression lines X+2Y-5=0, 2X+3Y-8=0 and Var(X)=12, the value of Var(Y) is

Given r ₁₂ =0.6, r ₁₃ =0.5 and r ₂₃=0.8, the value of r _12.3 is

The sales of a departmental store on Dushera and Diwali are associated with the component of a time series

Which index satisfies factor reversal test?

Control chart consists of

Replication in an experiment means

Local control in experimental designs is meant to

The number of possible samples of size n out of N population units without replacement is

Moving average method of fitting trend in a time series data removes the effect of

Which nation is the highest defaulter in payment of its dues to the UN as on 1 -4 - 1999

Economic development that meets the needs of the present without compromising the ability of future generations to meet their own needs is :

------- sector has established itself as the biggest contributor to the State's GDP as per Kerala State's Economic Review ( February 2011)