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DATE: 01/23/2006                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 11:12:23                                       2005 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              098/Hansford                                              VRSN:      W
                                                        098-904/Spearman ISD
____________________________________________________________________________________________________________________________________
    (1)           (1)                (1)              (1)                (1)              (2)            (3)
 # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE     SAMPLE SIZE    TOTAL PARCELS   STRATUM VARIANCE
 _________     ________          ___________     _____________       ___________     ___________    _____________   ________________

      1           A               11,634,586        0.9915            11,734,328              20              468         .045372750
      2           A               11,615,979        1.0166            11,426,302              11              262         .016509188
      3           A               11,711,221        0.9508            12,317,229              12              160         .034032784
      4           A               11,538,675        0.9927            11,623,527               7               98         .006434764
      5           D3               9,648,097        0.9730             9,915,824              10            1,908         .005247602
      6           G1              31,878,212        0.9981            31,938,896              15              234         .197694996
      7           G1              31,471,023        1.0623            29,625,363              14               96         .038088269
      8           G1              31,935,099        1.0584            30,172,996              13               59         .011857788
      9           G1              31,323,294        0.9667            32,402,290              11               31         .040712780
  RANDOM TOTALS:                 182,756,186                         181,156,755             113            3,316
  CATG J  EXCEPTION VALUES:       13,943,302                          10,603,099
  CATG D1 EXCEPTION VALUES:       27,843,765                          24,562,298
 TOTAL TEST VALUES (4):          224,543,253                         216,322,152
 MARGIN OF ERROR PERCENT:          5.0000002
 MARGIN OF ERROR VALUE:           10,816,108
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:            205,506,044 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:             224,543,253 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:            227,138,260 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):             287,060,607 (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