if two equations combine to test which is endogenous, which equation is the first? what is the difference between an exogenous and a endogenous variable in a parallel equation? what is the equation q_t used to create? which condition is necessary to test a hypothesis what is the equation for testing a hypothesis? what is the equation for testing exogenous variables in a simultaneous equation which statement in a linear model shows a model in which all the variables are combined in terms of the equation? which condition is necessary while order condition is necessary? are gammas exogenous which model is an exogenous gamma t test if youre combining two simultaneous equations, which statement is used to test the hypothesis which equations test whether a variable is exogenous and endogenous which hypothesis describes exogenous variables in a parallel equation? how to test exogenous variables for hypothesis testing which statement is the test for testing exogenous variable among simultaneous equations? where is the value of p_t$? test are gamma, epsilon, and p_t exogenous why is the x and y conditions necessary? what variables are exogenous which statement is true about the test of the hypothesis?