calculate standard deviation for physical activity what is the standard deviation for a change in ventricular mass what is typical standard deviation for left ventricular mass before physical activity what is the standard deviation of a percentage change in lv calculating the standard deviation for a change in left ventricular mass after physical activity how do you tell the percentage difference between a change in your left ventricular mass and a decrease in your left ventricular volume after physical activity what is a standard deviation of a percentage of a person's left ventricular mass how to find percentage of change in left ventricular mass how to calculate the average ventricular mass how do i find the standard deviation for mass what is the standard error deviation of ventricular mass how to calculate standard deviation for left ventricular mass after physical exercise what is the standard deviation of a change in lvr after physical activity? how do do u find out the standard deviation average pulmonary volume how many grams is left ventricular mass how to calculate standard deviation of the change in left ventricular mass after physical activity average ventricular mass before physical activity how is the standard deviation compared to the change in left ventricular mass when calculating the standard deviation of a change in lv mass