Should you add heat? Tables 2 and 3 indicate how dry wheat and barley in natural-air drying bins will get during various weather conditions. Most years, weather in the upper Midwest is such that continuous fan operation (24 hours/day, 7 days/week) will dry either grain to 14% moisture or less.
Their IQ scores ranged from 77 to 135, with an average score of 112. Four years later, the same group took another IQ test. While the average score of 113 was only one point greater than the previous test, the range of scores was quite different: 87 to 143.our years later, the same group took another IQ test. While the average score of 113 was only one point greater than the previous test, the range of scores was quite different: 87 to 143.
The average IQ score is defined to be 100, and the standard deviation is 15. These numbers vary slightly between countries, genders, ages, and different sets of test questions. Additionally, the average IQ of the human population has steadily increased over the last 80 years-this is known as the Flynn Effect.