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DATE: 01/23/2006                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 11:11:05                                       2005 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              092/Gregg                                                 VRSN:      W
                                                        092-903/Longview ISD
____________________________________________________________________________________________________________________________________
    (1)           (1)                (1)              (1)                (1)              (2)            (3)
 # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE     SAMPLE SIZE    TOTAL PARCELS   STRATUM VARIANCE
 _________     ________          ___________     _____________       ___________     ___________    _____________   ________________

      1           A              291,360,494        0.9351           311,582,177              55            5,515         .025405258
      2           A              291,141,286        0.9616           302,767,560              65            3,090         .011317934
      3           A              291,293,213        0.9348           311,610,198              67            2,139         .014039518
      4           A              291,092,563        0.9496           306,542,295              61            1,049         .007469484
      5           F1             151,880,912        0.8439           179,975,011               8              803         .051096469
      6           F1             151,721,745        1.0019           151,434,020               7              220         .011180451
      7           F1             153,127,010        0.9750           157,053,344               6               70         .010697340
      8           F1             149,795,909        0.9572           156,493,846               5               14         .018075755
      9           L1              92,075,051        1.0054            91,580,516               8            1,051         .007672653
     10           L1              92,358,914        1.0786            85,628,513               7              244         .013119134
     11           L1              92,340,142        0.9964            92,673,768               7               75         .006215236
     12           L1              90,818,014        1.1563            78,541,913               5               21         .050094669
  RANDOM TOTALS:               2,139,005,253                       2,225,883,161             301           14,291
  CATG D1 EXCEPTION VALUES:        5,189,700                           5,152,877
 TOTAL TEST VALUES (4):        2,144,194,953                       2,231,036,038
 MARGIN OF ERROR PERCENT:          5.0000000
 MARGIN OF ERROR VALUE:          111,551,802
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:          2,119,484,236 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:           2,144,194,953 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:          2,342,587,840 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):           2,754,479,214 (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