DATE: 01/31/2005                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1

TIME: 12:19:51                                       2004 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428

                                                              101/Harris                                                VRSN:      W

                                                        101-911/Goose Creek CISD

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         (1)           (1)                (1)              (1)                (1)              (2)            (3)

      # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE      SAMPLE SIZE    TOTAL PARCELS

      _________     ________          ___________     _____________       ___________      ___________    _____________

           1           A              431,886,483        0.9261           466,349,728               49            7,554

           2           A              432,545,157        0.9608           450,192,711               50            4,716

           3           A              431,934,818        0.9977           432,930,558               50            3,512

           4           A              430,827,672        1.0364           415,696,326               47            2,132

           5           B               36,651,364        0.7627            48,054,758                7               93

           6           B               37,789,350        0.9105            41,503,954                5               13

           7           B               37,651,318        0.7917            47,557,557                5                8

           8           F1              99,176,674        0.8928           111,084,984                7              720

           9           F1              98,927,954        0.9936            99,565,171                7              159

          10           F1              99,661,653        0.8867           112,396,135                7               53

          11           F1              97,852,364        1.0048            97,384,916                5               16

          12           L1              54,609,762        0.9375            58,250,413                9              917

          13           L1              54,836,312        0.9364            58,560,777                9              180

          14           L1              54,310,411        0.9043            60,057,958                7               49

          15           L1              54,552,320        0.9339            58,413,449                5               12

  RANDOM TOTALS:                    2,453,213,612                       2,557,999,395              269           20,134

  CATG D1 EXCEPTION VALUES:             1,144,600                           1,025,821

  CATG B  EXCEPTION VALUES:            35,762,040                          38,323,461

 TOTAL TEST VALUES (4):             2,490,120,252                       2,597,348,677

 MARGIN OF ERROR PERCENT:               5.0000000

 MARGIN OF ERROR VALUE:               129,867,434

 CONFIDENCE INTERVAL VALUES (5):

   STATE LOWER LIMIT:               2,467,481,243 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)

   LOCAL TEST VALUE:                2,490,120,252 (WITHIN CONFIDENCE INTERVAL)

   STATE UPPER LIMIT:               2,727,216,111 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)

 VALUE ASSIGNED (6):                5,290,481,149 (SEE ISD SUMMARY WORKSHEET)

 SOURCES:

 (1) SEE STRATIFIED CATEGORY WORKSHEET REPORTS PTS236, PTS430

 (2) NUMBER OF PARCELS SAMPLED BY STAFF

 (3) TOTAL CATEGORY PARCELS FROM STRATIFICATION REPORT APPRAISAL ROLL, OR SELF-REPORT

 (4) INCLUDES ANY PARCELS IN A, B, C, D3, F1, G1, G2,OR L1 MARKED AS EXCEPTION PROPERTIES

 (5) UNSTUDIED CATEGORIES AND SUB-CATEGORIES WERE NOT INCLUDED IN THE CONFIDENCE INTERVAL VALUES