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.
The reason the hands and feet sweat excessively is due to a medical condition called hyperhydrosis. Sufferers of this condition have overactive sweat glands in certain areas of their body â in this case primarily in the palms of the hands and the soles of the feet. Palmar Hyperhidrosis. Palmar hyperhidrosis is the medical name for sweaty hands, and the exact cause of this problem is still debatable.