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DATE: 06/29/2006                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 11:11:03                                       2005 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              175/Navarro                                               VRSN:      W
                                                        175-902/Blooming Grove ISD
____________________________________________________________________________________________________________________________________
    (1)           (1)                (1)              (1)                (1)              (2)            (3)
 # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE     SAMPLE SIZE    TOTAL PARCELS   STRATUM VARIANCE
 _________     ________          ___________     _____________       ___________     ___________    _____________   ________________

      1           A                5,746,727        0.8629             6,659,783              10              279         .060083844
      2           A                5,788,764        0.8647             6,694,535              10              148         .090673864
      3           A                5,718,318        0.8316             6,876,284              11               94         .023181092
      4           A                5,732,020        0.9899             5,790,504               9               58         .034854092
      5           D3              56,827,030        0.9627            59,028,804              31            3,313         .137766275
  RANDOM TOTALS:                  79,812,859                          85,049,910              71            3,892
  CATG J  EXCEPTION VALUES:       11,071,960                          11,538,013
  CATG D1 EXCEPTION VALUES:        9,111,740                           8,538,543
 TOTAL TEST VALUES (4):           99,996,559                         105,126,466
 MARGIN OF ERROR PERCENT:          7.6317290
 MARGIN OF ERROR VALUE:            8,022,967
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:             97,103,499 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:              99,996,559 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:            113,149,433 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):              92,146,121 (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