The following table shows part of the probability distribution for the number of boats sold daily at Boats Unlimited. It is known that the average number of boats sold daily is 1.57. 
Compute the variance and the standard deviation for this probability distribution.
Definitions:
Bodily-Kinesthetic
Pertains to the capacity to use one's body in highly differentiated and skilled ways, for expressive as well as goal-directed purposes.
Romantic
Pertaining to, characterized by, or given to the expression of love and affection.
Mentally Rotate
The cognitive ability to imagine how an object would look if rotated in space, a key skill in spatial visualization.
Spatial Intelligence
The ability to visualize, manipulate, and reason with objects in three-dimensional space.
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