Division Formula 8

United Kingdom

s_{η_{EI}} = \sqrt{\sum_{i = 1}^{4} h_{i} \times s {\bar{η_{{EI}_{i}}}}^{2}}

The standard deviation of the alternator efficiency ( $s_{η_{EI}}$ ) leads to an error in the CO₂ savings ( $s_{C_{{CO}_{2}}}$ ). That error is calculated in accordance with formula 9: