For a sample of 29 new england cities, a sociologist studies the crime rate in each city (crimes per 100,000 residents) as a function of its poverty rate (in %) and its median income (in $1,000s). he finds that sse = 4,109,289 and sst = 7,644,109. a. calculate the standard error of the estimate. (round your answer to 4 decimal places.)