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DATE: 06/29/2006                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 11:11:12                                       2005 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              175/Navarro                                               VRSN:      W
                                                        175-904/Dawson ISD
____________________________________________________________________________________________________________________________________
    (1)           (1)                (1)              (1)                (1)              (2)            (3)
 # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE     SAMPLE SIZE    TOTAL PARCELS   STRATUM VARIANCE
 _________     ________          ___________     _____________       ___________     ___________    _____________   ________________

      1           A                3,355,931        0.8962             3,744,623              14              202         .065105235
      2           A                3,312,515        0.9056             3,657,812              15              110         .019893553
      3           A                3,332,389        0.9441             3,529,699              16               72         .047812062
      4           A                3,326,959        1.0299             3,230,371              15               36         .067517403
      5           D3              29,435,435        0.9250            31,822,092              19            2,574         .051000961
  RANDOM TOTALS:                  42,763,229                          45,984,597              79            2,994
  CATG J  EXCEPTION VALUES:        6,784,440                           6,947,264
  CATG D1 EXCEPTION VALUES:        9,451,520                           9,072,690
 TOTAL TEST VALUES (4):           58,999,189                          62,004,551
 MARGIN OF ERROR PERCENT:          5.3998440
 MARGIN OF ERROR VALUE:            3,348,149
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:             58,656,402 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:              58,999,189 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:             65,352,700 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):              54,559,930 (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