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.
Because it is not broken down by the body, the fiber in an apple or a slice of whole grain bread has no effect on blood glucose levels because it isn't digested. The grams of fiber can actually be subtracted from the total grams of carb you are eating if you are using carbohydrate counting for meal planning.