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DATE: 06/29/2006                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 11:19:32                                       2005 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              220/Tarrant                                               VRSN:      W
                                                        220-912/Crowley ISD
____________________________________________________________________________________________________________________________________
    (1)           (1)                (1)              (1)                (1)              (2)            (3)
 # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE     SAMPLE SIZE    TOTAL PARCELS   STRATUM VARIANCE
 _________     ________          ___________     _____________       ___________     ___________    _____________   ________________

      1           A              574,978,656        0.9958           577,403,752              49            5,703         .003626327
      2           A              575,013,532        0.9784           587,708,025              51            4,238         .001741803
      3           A              574,741,847        1.0028           573,137,063              50            3,049         .002241844
      4           A              574,404,541        0.9874           581,734,394              50            1,670         .001629677
      5           B               80,373,039        1.1323            70,982,106              11              186         .000639794
      6           B               71,890,163        1.0107            71,129,082               3                9         .008729055
      7           F1             161,970,061        0.9075           178,479,406               7              155         .018778877
      8           F1             168,886,077        0.8815           191,589,424               7               45         .051350565
      9           F1             162,800,687        0.9370           173,746,731               5               17         .007912077
     10           F1             146,674,287        0.9327           157,257,732               3                6         .010604202
     11           L1              51,166,823        1.0066            50,831,336               8              405         .130753726
     12           L1              51,758,321        1.0640            48,645,039               7               83         .002352696
     13           L1              52,584,190        0.9938            52,912,246               7               25         .000740892
  RANDOM TOTALS:               3,247,242,224                       3,315,556,336             258           15,591
  CATG D1 EXCEPTION VALUES:        1,296,199                           1,387,200
  CATG B  EXCEPTION VALUES:      179,115,230                         191,810,521
  CATG L1 EXCEPTION VALUES:       50,193,330                          48,481,861
 TOTAL TEST VALUES (4):        3,477,846,983                       3,557,235,918
 MARGIN OF ERROR PERCENT:          5.0000000
 MARGIN OF ERROR VALUE:          177,861,796
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:          3,379,374,122 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:           3,477,846,983 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:          3,735,097,714 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):           3,692,375,239 (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