To calculate the standard deviation of those numbers: 1  1. 2  Work out the Mean (the simple average of the numbers). 3  2. Then for each number: subtract the Mean and square the result. 4  3. Then work out the mean of those squared differences.
General Practice. In brief: Blood sugar and food. The carb in the popcorn will be start to be absorbed into your blood stream within 30 min, but if your insulin response is good, your blood sugar may not go up at all. If you have type 1 diabetes, it would depend on how much insulin you take. In brief: Blood sugar and food.
If you are using the GI value of foods to monitor your weight or control your blood sugar, combining low-GI foods with moderate-GI and high-GI foods throughout the day can result in a diet with a moderate GI, according to the Glycemic Index Foundation.ignificance. The starches in corn convert to glucose at a moderate to rapid rate, which gives popcorn its moderate-to-high GI value. However, the GI ranking of a food doesnât necessarily reflect its nutritional value, notes the American Diabetes Association, or ADA.