Perform restricted MLE (RMLE) to estimate parameters under the constraint defined by the boundary of null hypothesis, \(\mu_T - \mu_R = \eta\sigma_R\) where \(\eta\) is the margin multiplier.
RMLE_equivTest(nT, nR, smplMuT, smplMuR, smplSigmaT, smplSigmaR, vecT,
vecR, eta)sample size for test data
sample size for reference data
sample mean for test data
sample mean for reference data
sample standard deviation for test data
sample standard devivation for reference data
a vector of observations for test product
a vector of observations for reference product
the margin multipler
a list containing the RMLE for the means and standard deviations for both test and reference data