Obtaining estimates for a multiple linear regression What you'll learn about SPSS You'll learn how to obtain and interpret a multiple linear regression equation. The context and the data To answer the questions that follow, download an SPSS spreadsheet containing the demographic data for a sample of 30 adults by clicking on the following words in bold: Download SPSS File. (Note: If you have already downloaded the data set adult_demographics1.sav, you do not need to download it again, as long as you have not changed the data. Using Internet Explorer is not recommended when downloading SPSS files.) The questions you will answer using SPSS Use SPSS to obtain an estimated multiple regression equation predicting the value of income from yrs_schooling and age among the females. The estimated regression equation is: = 3.860 + age + yrs_schooling Following is part of a write-up of the multiple regression. Fill in the blanks with the appropriate words or phrases that correctly describe the results. Assume that you have nondirectional null hypotheses and are using a significance level of .05. Multiple regression was used to determine whether income among women could be predicted from their age and number of years of schooling