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DATE: 06/29/2006                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 10:43:16                                       2005 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              056/Dallam                                                VRSN:      W
                                                        056-901/Dalhart CISD
____________________________________________________________________________________________________________________________________
    (1)           (1)                (1)              (1)                (1)              (2)            (3)
 # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE     SAMPLE SIZE    TOTAL PARCELS   STRATUM VARIANCE
 _________     ________          ___________     _____________       ___________     ___________    _____________   ________________

      1           A               36,541,762        0.8875            41,173,816              15              981         .024347764
      2           A               36,584,635        0.9805            37,312,223              18              504         .005028206
      3           A               36,525,479        1.0004            36,510,875              16              329         .006263959
      4           A               36,425,599        1.0059            36,211,949              15              193         .008474514
      5           D3              58,853,710        0.9233            63,742,781              22            1,800         .036027198
      6           F1              60,852,110        0.8552            71,155,414              20              418         .019867494
      7           L1              11,498,314        1.0481            10,970,627               7              108         .006432006
      8           L1              11,892,567        0.9713            12,243,969               7               22         .002463377
      9           L1              11,039,095        0.9975            11,066,762               4                8         .000090985
  RANDOM TOTALS:                 300,213,271                         320,388,416             124            4,363
  CATG J  EXCEPTION VALUES:       22,426,467                          22,082,608
  CATG D1 EXCEPTION VALUES:       46,488,010                          48,596,473
  CATG L1 EXCEPTION VALUES:        7,178,780                           7,381,590
 TOTAL TEST VALUES (4):          376,306,528                         398,449,087
 MARGIN OF ERROR PERCENT:          5.0000000
 MARGIN OF ERROR VALUE:           19,922,454
 CONFIDENCE INTERVAL VALUES (5):
   LOCAL TEST VALUE:             376,306,528 (OUTSIDE CONFIDENCE INTERVAL)
   STATE LOWER LIMIT:            378,526,633 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   STATE UPPER LIMIT:            418,371,541 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):             390,588,211 (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