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DATE: 01/23/2006                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 11:12:53                                       2005 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              101/Harris                                                VRSN:      W
                                                        101-906/Crosby ISD
____________________________________________________________________________________________________________________________________
    (1)           (1)                (1)              (1)                (1)              (2)            (3)
 # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE     SAMPLE SIZE    TOTAL PARCELS   STRATUM VARIANCE
 _________     ________          ___________     _____________       ___________     ___________    _____________   ________________

      1           A              159,047,465        0.9580           166,020,318              32            2,278         .011762393
      2           A              157,439,865        0.9755           161,394,018              50            1,485         .005139192
      3           A              158,228,667        0.9581           165,148,384              40            1,153         .028635800
      4           A              158,129,972        0.9521           166,085,466              28              754         .013560386
      5           F1              17,351,290        1.0837            16,011,156               8              118         .010094785
      6           F1              17,195,182        0.9664            17,793,028               6               37         .021846549
      7           F1              17,214,511        1.0532            16,344,959               4               12         .006255454
      8           F1              16,694,237        1.0498            15,902,302               3                5         .015159206
  RANDOM TOTALS:                 701,301,189                         724,699,631             171            5,842
  CATG J  EXCEPTION VALUES:       30,320,261                          30,536,064
  CATG D1 EXCEPTION VALUES:        5,988,902                           5,908,415
 TOTAL TEST VALUES (4):          737,610,352                         761,144,110
 MARGIN OF ERROR PERCENT:          5.0000001
 MARGIN OF ERROR VALUE:           38,057,206
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:            723,086,904 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:             737,610,352 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:            799,201,316 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):             871,436,251 (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