1000 Sample Means with 10 Obs per Sample
Drawn from an Exponential Distribution

        Frequency                                               
                                                                
        300 +                                                   
            |                                                   
            |                                                   
            |                                                   
            |                                                   
        250 +                                                   
            |                                                   
            |                                                   
            |                                                   
            |                                                   
        200 +                                                   
            |                                                   
            |                                                   
            |                                                   
            |                                                   
        150 +                                                   
            |                 *                                 
            |               * *   *                             
            |               * * * *                             
            |               * * * *                             
        100 +               * * * *                             
            |               * * * * *                           
            |             * * * * * *                           
            |             * * * * * *                           
            |           * * * * * * *   *                       
         50 +           * * * * * * * * * *                     
            |           * * * * * * * * * *                     
            |           * * * * * * * * * * *                   
            |         * * * * * * * * * * * *                   
            |       * * * * * * * * * * * * * * * *             
            --------------------------------------------        
              0         0         1         1         2         
              .         .         .         .         .         
              0         5         0         5         0         
              5         5         5         5         5         
                                                                
                            Mean Midpoint