The first quartile (Q 1) is defined as the middle number between the smallest number and the median of the data set.The second quartile (Q 2) is the median of the data. Use the median to divide the ordered data set into two halves. 2  If the median is a datum (as opposed to being the mean of the middle two data), include the median in both halves. 3  The lower quartile value is the median of the lower half of the data.
Many people associate shaky hands with Parkinsonâs disease, but the most common cause of shaking hands is actually essential tremor. Essential tremor is the most common neurologic disorder affecting adults, but itâs not well understood.
When you have low blood sugar levels, your body is deprived of energy, and this may also cause tremor and shaky hands. Eating a lot sugary foods causes a sudden spike in your blood sugar levels, but than they also drop back down again very quickly. This can result in shaky hands, and cause other symptoms such as weakness and irritability. To stop your hands from shaking, you should consume more slowly digested carbohydrates such as sweet cereals and fruits. 6. Reduce Stress, Practice Relaxation Techniques and Get Enough Sleep. Stress, anxiety and nervousness are a common cause of shaky hands. You should therefore try to relax and reduce stress and tension in your life, as much as you can.