- GrossDrugCost = Bo + Bj * NLISDummy + B2 * LISCHOSERDummy + B; * RiskScore + By* SpecialtyDummy + B; * AdjudicationDays + Be * Age + B7 * Gender + Bs * HospiceDummy + Bg * InstitutionDummy + Bio * ESRDDummy + & Required Complete the matrix of simplified regression assumptions or problems below. Why is it an issue if What does this the assumption or How do you test for Regression assumption or assumption or problem is this assumption or What are the results What do you problem problem mean? violated? problem? of your test? recommend? Are there outliers in the data? Are the relationships between the predicted Y's and Y's linear? Is multicollinearity a problem? Are the error terms independent? Are there violations of the homoscedasticity assumption? Are the errors normally distributed