Help on Statistics

For a sample of 27 New England cities. a sociologist studies the crime rate in each city (crimes per 100,000 residents) as a function of the two predictor variables: poverty rate (in 96) and median income (in $1,0005). He finds that SSE: 4,102,305 and SST: 7,603,276. a. Calculate the standard error of the estimate. {Round your answer to 4 decimal places.) b-1. What proportion ofthe sample variation in crime rate can be explained by the variability in the explanatory variables? (Round your answer to 4 decimal places.) mmlneapmmon _ b-2. What proportion is unexplained? (Round your answer to 4 decimal places.) Unexplained proportion _