1. A shopper view tracking device, comprising: a camera configured to be coupled with a head of a shopper and configured to move with the head of the shopper while the shopper moves along a shopper path in a shopping environment, the camera further being configured to capture one or more images in a field of view of the camera as captured image data; and an analysis computing device configured to receive the captured image data; and an analysis program executable by the analysis computing device and configured to determine an estimated shopper field of view having a boundary that is calculated to represent a probability of a person in a data sample having an actual measured focal point that occurs within the boundary, and to display the estimated shopper field of view superimposed on the one or more images in the captured image data; wherein the analysis program is further configured to generate an output including statistical measures based on the estimated field of view.