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DATE: 01/27/2006                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 10:59:42                                       2005 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              084/Galveston                                             VRSN:      W
                                                        084-910/Clear Creek ISD
____________________________________________________________________________________________________________________________________
    (1)           (1)                (1)              (1)                (1)              (2)            (3)
 # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE     SAMPLE SIZE    TOTAL PARCELS   STRATUM VARIANCE
 _________     ________          ___________     _____________       ___________     ___________    _____________   ________________

      1           A            2,100,349,315        0.9533         2,203,240,654              64           18,123         .007353030
      2           A            2,100,694,160        0.9804         2,142,690,902              64           13,139         .003637296
      3           A            2,099,964,441        0.9632         2,180,195,641              64            9,997         .005397197
      4           A            2,100,209,941        0.9801         2,142,852,710              63            5,863         .007025212
      5           B              144,392,153        0.9587           150,612,447               6               42         .020607040
      6           B              146,794,853        0.9541           153,856,884               5               21         .004998308
      7           B              136,703,707        0.8918           153,289,647               5               13         .004945298
      8           B              140,673,028        0.9874           142,468,126               4                8         .003052172
      9           F1             404,887,470        0.8980           450,876,915               8              774         .004941039
     10           F1             404,553,674        0.9543           423,927,145               8              211         .037511271
     11           F1             411,053,982        0.6462           636,109,536               7               75         .209452531
     12           F1             397,107,278        1.4807           268,188,882               7               20         .798359816
     13           L1             134,536,881        1.0472           128,472,957               8            1,678         .011361359
     14           L1             134,934,127        1.0075           133,929,655               8              321         .006321569
     15           L1             138,587,289        1.0274           134,891,268               7               75         .003917790
     16           L1             129,928,181        0.9766           133,041,349               6               15         .001574670
  RANDOM TOTALS:              11,125,370,480                      11,578,644,718             334           50,375
  CATG D1 EXCEPTION VALUES:          731,680                             751,657
 TOTAL TEST VALUES (4):       11,126,102,160                      11,579,396,375
 MARGIN OF ERROR PERCENT:          5.0000000
 MARGIN OF ERROR VALUE:          578,969,819
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:         11,000,426,556 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:          11,126,102,160 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:         12,158,366,194 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):          11,906,988,026 (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