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DATE: 06/29/2006                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 10:36:15                                       2005 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              019/Bowie                                                 VRSN:      W
                                                        019-911/Red Lick ISD
____________________________________________________________________________________________________________________________________
    (1)           (1)                (1)              (1)                (1)              (2)            (3)
 # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE     SAMPLE SIZE    TOTAL PARCELS   STRATUM VARIANCE
 _________     ________          ___________     _____________       ___________     ___________    _____________   ________________

      1           A               21,872,278        0.8705            25,126,109               8              212         .013500002
      2           A               21,794,948        0.9495            22,954,132              11              135         .003665907
      3           A               21,788,820        0.9645            22,590,793               8              102         .004752208
      4           A               21,813,506        0.9418            23,161,506               7               67         .016726977
      5           D3              14,534,265        0.9023            16,108,018              11              346         .015053031
  RANDOM TOTALS:                 101,803,817                         109,940,558              45              862
  CATG J  EXCEPTION VALUES:        7,925,405                           7,641,745
  CATG D1 EXCEPTION VALUES:          326,096                             335,600
 TOTAL TEST VALUES (4):          110,055,318                         117,917,903
 MARGIN OF ERROR PERCENT:          5.0000000
 MARGIN OF ERROR VALUE:            5,895,895
 CONFIDENCE INTERVAL VALUES (5):
   LOCAL TEST VALUE:             110,055,318 (OUTSIDE CONFIDENCE INTERVAL)
   STATE LOWER LIMIT:            112,022,008 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   STATE UPPER LIMIT:            123,813,798 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):             112,557,227 (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