what does the mse do in the math why would i use a mean squared error for a regression what is mse mean squared error? what is mean squared error used for why would mse be used to determine whether an estimator is better than another? average median squared error what is mean squared error? mse is the measure of what is mse used for when is average squared error used in estimating what is the mean square error for a measure which mse test measures the relative superiority of an estimater over another? which estimator is better or worse what is mse mean what is the average mse used for what is the measure squared error why use the mse in an estimator? what is the mean squared error what is mse value when to use the mean squared