Task: Translation
Input (Igbo): Igbo sentence: A pụrụ itinye covariates na-eji gwụgw eme ihe na nhazi na nyocha nke nyocha; isi nke 4 nke Gerber and Green (2012) enye nkwalite dá»‹ mma ma bá»‹aruo nso, na Casella (2008) -enyekwu nhazi miri emi.
Output (English): Pre-treatment covariates can be included in the design and analysis stage of experiments; chapter 4 of Gerber and Green (2012) provides a good introduction to both approaches, and Casella (2008) provides a more in-depth treatment.