A manager asked several employees to cut a 30-centimeter strip from each wrinkle tape, only use visual inspection, not measuring tools. Then, each listener was asked to cut a 150 cm and 600 cm tape. After everyone was cut, the manager took out a tape measure and carefully measured each piece of paper and announced the results: 30 cm group, the average error of less than 6%, 150 cm group, the average error rose to 11%; 600 cm group, the average error was as high as 19%, with individual differences of 100 cm.
The smaller and more focused the target, the easier it is to get close to it can be derived from the options.