Type your question here although most of us buy the mil by the quart or gallon, farmers measurdaily production in pounds. jon cows average 39 pounds of milk a day with a standard deviation of 8 pounds. For jerseys the mean daily production is 43 pounds with standard deviation of 5 pounds. when shown the state fair, a champion jon and a champion jersey each gave 54 pounds of milk. which cow milk production was more remarkeble?