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DATE: 01/23/2006                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 11:23:57                                       2005 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              153/Lynn                                                  VRSN:      W
                                                        153-904/Tahoka ISD
____________________________________________________________________________________________________________________________________
    (1)           (1)                (1)              (1)                (1)              (2)            (3)
 # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE     SAMPLE SIZE    TOTAL PARCELS   STRATUM VARIANCE
 _________     ________          ___________     _____________       ___________     ___________    _____________   ________________

      1           A                9,640,141        0.7061            13,652,657              16              447         .042209090
      2           A                9,660,702        0.8769            11,016,880              15              223         .034881273
      3           A                9,618,986        0.9712             9,904,228              15              131         .010243903
      4           A                9,603,100        1.1286             8,508,861              15               82         .011235846
      5           D3               5,592,680        1.2121             4,614,042              10            1,533         .183616226
      6           F1               1,180,194        0.9006             1,310,453               6               66         .099820696
      7           F1               1,235,705        0.8925             1,384,543               5               19         .033221780
      8           F1               1,252,254        1.0082             1,242,069               4                8         .010750175
      9           F1               1,010,487        1.0275               983,442               2                3         .000056325
  RANDOM TOTALS:                  48,794,249                          52,617,175              88            2,512
  CATG J  EXCEPTION VALUES:        6,456,440                           5,946,572
  CATG D1 EXCEPTION VALUES:       21,533,130                          17,787,389
 TOTAL TEST VALUES (4):           76,783,819                          76,351,136
 MARGIN OF ERROR PERCENT:          5.0000003
 MARGIN OF ERROR VALUE:            3,817,557
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:             72,533,579 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:              76,783,819 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:             80,168,693 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):              77,522,405 (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