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DATE: 06/29/2006                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 11:12:05                                       2005 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              178/Nueces                                                VRSN:      W
                                                        178-903/Calallen ISD
____________________________________________________________________________________________________________________________________
    (1)           (1)                (1)              (1)                (1)              (2)            (3)
 # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE     SAMPLE SIZE    TOTAL PARCELS   STRATUM VARIANCE
 _________     ________          ___________     _____________       ___________     ___________    _____________   ________________

      1           A              129,302,440        0.8925           144,876,683              39            1,807         .011405192
      2           A              129,355,284        0.9103           142,101,817              38            1,401         .008507160
      3           A              129,251,249        0.9138           141,443,696              47              970         .008762923
      4           A              129,230,168        0.9231           139,995,849              40              604         .008900086
      5           F1              25,574,206        0.9630            26,556,808               7               99         .016613535
      6           F1              25,740,224        0.9292            27,701,489               6               37         .009325844
      7           F1              28,870,769        1.0040            28,755,746               5               13         .000995363
      8           L1              13,695,153        0.8778            15,601,678               8              240         .021310928
      9           L1              13,845,724        0.9995            13,852,650               7               48         .049405762
     10           L1              13,349,911        0.9947            13,421,043               5                7         .005785894
  RANDOM TOTALS:                 638,215,128                         694,307,459             202            5,226
  CATG J  EXCEPTION VALUES:       43,747,255                          43,164,903
  CATG D1 EXCEPTION VALUES:        2,941,324                           2,877,675
  CATG F1 EXCEPTION VALUES:       20,336,395                          20,738,542
  CATG L1 EXCEPTION VALUES:       12,986,057                          13,293,250
 TOTAL TEST VALUES (4):          718,226,159                         774,381,829
 MARGIN OF ERROR PERCENT:          5.0000000
 MARGIN OF ERROR VALUE:           38,719,091
 CONFIDENCE INTERVAL VALUES (5):
   LOCAL TEST VALUE:             718,226,159 (OUTSIDE CONFIDENCE INTERVAL)
   STATE LOWER LIMIT:            735,662,738 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   STATE UPPER LIMIT:            813,100,920 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):             991,787,820 (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