Shopping Outlet A shopping outlet estimates the probability distribution of the number of stores shoppers actually enter as shown in the table below. 
{Shopping Outlet Narrative} Find the variance and standard deviation of the number of stores entered.
Definitions:
Bradycardia
Slow heart rate.
Auscultatory Gap
A temporary disappearance of sounds heard over the brachial artery when measuring blood pressure; occurs between the systolic and diastolic pressures.
Systolic Pressure
The maximum arterial pressure during contraction of the heart's left ventricle, commonly the top number in a blood pressure reading.
Diastolic Pressure
The lower measurement of blood pressure, indicating the pressure in the arteries when the heart rests between beats.
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