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DATE: 06/29/2006                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 10:39:38                                       2005 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              035/Castro                                                VRSN:      W
                                                        035-902/Hart ISD
____________________________________________________________________________________________________________________________________
    (1)           (1)                (1)              (1)                (1)              (2)            (3)
 # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE     SAMPLE SIZE    TOTAL PARCELS   STRATUM VARIANCE
 _________     ________          ___________     _____________       ___________     ___________    _____________   ________________

      1           A                2,726,039        0.9439             2,888,059               8              143         .007176105
      2           A                2,706,688        0.8805             3,074,035               7               80         .010057650
      3           A                2,731,498        0.8756             3,119,573               7               47         .010542577
      4           A                2,672,525        0.9861             2,710,197               6               27         .005743434
      5           D3               9,254,810        0.9881             9,366,269              20              634         .003780822
      6           L1               3,754,770        0.9794             3,833,745              17               42         .001083237
  RANDOM TOTALS:                  23,846,330                          24,991,878              65              973
  CATG J  EXCEPTION VALUES:        3,523,670                           3,462,118
  CATG D1 EXCEPTION VALUES:       23,540,770                          14,071,306
 TOTAL TEST VALUES (4):           50,910,770                          42,525,302
 MARGIN OF ERROR PERCENT:          5.0000000
 MARGIN OF ERROR VALUE:            2,126,265
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:             40,399,037 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   STATE UPPER LIMIT:             44,651,567 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:              50,910,770 (OUTSIDE CONFIDENCE INTERVAL)
 VALUE ASSIGNED (6):              53,713,130 (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