Coefficientsa Model Unstandardized Coefficients Standardized Coefficients t Sig. B Std. Error Beta 1 (Constant) 2.106 .129 16.273 .000 Percent Black, non-Hispanic .003 .003 .069 1.249 .213 Percent who earn less than $35,000 a year .037 .004 .519 9.341 .000 a. Dependent Variable: Average number of days per month with poor mental health 9.b. Describe the multivariate relationship between the percent Black (pct_black) and the average number of days with poor mental health (PoorMentalHealth), controlling for the percent earning less than $35,000 a year (Income_9)