1. Which of the following matrix method is used to solve the simultaneous equations for calculating direct effect
(i) Elimination procedure
(ii) Matrix method
(iii) Modified approach
(iv) All of these
2. The value of direct effects and correlations are used to estimate
(i) Casual effect
(ii) Indirect effect
(iii) Residual effect
(iv) None of these
3. Path diagram provides information about
(i) Cause and effect relation
(ii) Gene action
(iii) Variability
(iv) All of these
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