I conduct an experiment on the effects of sleep deprivation on cognitive performance with 148 YSU students enrolled in PSYC 1560. Cognitive performance will be assessed using the ACT, a standardized test used for college admissions in the United States. There are 12261 YSU students with an average ACT performance of 20. After keeping students awake for 46 hours, I have them take the ACT and the 148 students average 15. If we assume there is no effect of sleep deprivation, how much sampling error is there in this example