Total product is simply the output that is produced by all of the employed workers. Marginal product is the additional output that is generated by an additional worker. With a second worker, production increases by 5 and with the third worker it increases by 6.
Definitions for doltish. Here are all the possible meanings and translations of the word doltish. Princeton's WordNet(5.00 / 1 vote)Rate this definition: cloddish, doltish(adj) heavy and dull and stupid.
able-bodied, athletic, herculean, mighty, muscle-bound, muscular, powerful, robust, rugged, sinewy, stalwart, stout, strapping, strong, sturdy; chunky, compact, heavy, heavyset, solid, squat, squatty, stocky, thickset; chubby, dumpy, lumpish, podgy [chiefly British], portly, pudgy, roly-poly, tubby.