Eq 1: totacc, = Bo+ Bjunem, + Bybeltlaw, + B3spdlaw, +e, Eq 2: Atotacc, = Bo+ Bjunem, + Bybeltlaw, + B3spdlaw, + er Eq 3: pfatal, = Bo+ Bibeltlaw, + Baspdlaw, + er b. Is the coefficient on seat belt law significant in model 1 using the OLS test? Using the Newey-West test? Is this result important or meaningful