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.
About 95.4% of the population will have an IQ score between 70 and 130, which is everyone within two standard deviations. Scores that are between 70 and 85 may be labeled below average, while scores between 115 and 130 could be labeled above average. standard deviation in IQ points is 15, so 68.2% of the population will have scores between 85 and 115. This is labeled an average IQ, which is just a name for a group of people scoring around the average score.