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DATE: 01/23/2006                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 11:33:12                                       2005 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              188/Potter                                                VRSN:      W
                                                        188-904/Bushland ISD
____________________________________________________________________________________________________________________________________
    (1)           (1)                (1)              (1)                (1)              (2)            (3)
 # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE     SAMPLE SIZE    TOTAL PARCELS   STRATUM VARIANCE
 _________     ________          ___________     _____________       ___________     ___________    _____________   ________________

      1           A               46,225,429        0.9691            47,699,339              12              462         .005804922
      2           A               46,250,167        0.9850            46,954,484              14              284         .015579490
      3           A               46,246,857        1.0214            45,277,910              12              215         .006591254
      4           A               46,053,039        0.9928            46,387,026              13              122         .001118974
      5           F1              27,044,789        1.0527            25,690,880               6               71         .004824771
      6           F1              28,467,381        0.9839            28,933,206               6               18         .003422436
      7           F1              28,723,444        0.9620            29,858,050               5                8         .004755325
      8           F1              23,231,617        0.9518            24,408,087               3                4         .009133889
      9           G1              24,636,840        1.0525            23,407,924               7              111         .012033922
     10           G1              24,576,210        1.0707            22,953,404               6               55         .071793406
     11           G1              24,886,609        1.0743            23,165,418               6               36         .012710185
     12           G1              23,816,540        0.9535            24,978,018               5               18         .006941893
     13           L1              31,453,710        0.9614            32,716,570               9              116         .013665001
     14           L1              40,440,419        1.0006            40,416,169               6                9         .000907703
  RANDOM TOTALS:                 462,053,051                         462,846,485             110            1,529
  CATG J  EXCEPTION VALUES:       36,986,634                          35,216,076
  CATG D1 EXCEPTION VALUES:       11,772,856                          14,523,141
  CATG L1 EXCEPTION VALUES:       34,537,191                          34,537,191
 TOTAL TEST VALUES (4):          545,349,732                         547,122,893
 MARGIN OF ERROR PERCENT:          5.0000001
 MARGIN OF ERROR VALUE:           27,356,145
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:            519,766,748 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:             545,349,732 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:            574,479,038 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):             654,705,558 (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