A testing system for measuring a concentration of analyte in a body fluid sample, comprising: a meter including: a port configured to receive a test sensor therein in a horizontal direction along a horizontal axis; a reaction-detection system for measuring the analyte concentration in the body fluid sample; a display for displaying the measurements of the analyte concentration and information relating to the measurements of the analyte concentration; a plurality of soft keys for receiving input from the user, the plurality of soft keys being disposed adjacent to the display dynamically assigned to user-selectable options displayed on the display; and at least one processor, the at least one processor performing a statistical operation adapted to provide a statistical output based on the measurements determined for a specified time period, wherein the at least one processor is configured to cause the display to display a plurality of user-selectable statistical operations; wherein the at least one processor is further configured to cause the display to display each of the plurality of user-selectable statistical operations in a single line of text, each line of text extending in the horizontal direction and being parallel to the horizontal axis of the meter, and wherein each soft key adjacent to the display is (i) assigned to a respective one of the plurality of user-selectable options, (ii) aligned on the display with the respective one of the plurality of types of user-selectable statistical operations such that the display is positioned between the port and the plurality of soft keys, and (iii) operable to cause the display to display the statistical output associated with the respective one of the plurality of user-selectable statistical operations. a meter including: a port configured to receive a test sensor therein in a horizontal direction along a horizontal axis; a reaction-detection system for measuring the analyte concentration in the body fluid sample; a display for displaying the measurements of the analyte concentration and information relating to the measurements of the analyte concentration; a plurality of soft keys for receiving input from the user, the plurality of soft keys being disposed adjacent to the display dynamically assigned to user-selectable options displayed on the display; and at least one processor, the at least one processor performing a statistical operation adapted to provide a statistical output based on the measurements determined for a specified time period, wherein the at least one processor is configured to cause the display to display a plurality of user-selectable statistical operations; wherein the at least one processor is further configured to cause the display to display each of the plurality of user-selectable statistical operations in a single line of text, each line of text extending in the horizontal direction and being parallel to the horizontal axis of the meter, and wherein each soft key adjacent to the display is (i) assigned to a respective one of the plurality of user-selectable options, (ii) aligned on the display with the respective one of the plurality of types of user-selectable statistical operations such that the display is positioned between the port and the plurality of soft keys, and (iii) operable to cause the display to display the statistical output associated with the respective one of the plurality of user-selectable statistical operations.