1000 Sample Means with 10 Obs per Sample           1
             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