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DATE: 06/29/2006                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 10:35:03                                       2005 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              015/Bexar                                                 VRSN:      W
                                                        015-910/Northeast ISD
____________________________________________________________________________________________________________________________________
    (1)           (1)                (1)              (1)                (1)              (2)            (3)
 # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE     SAMPLE SIZE    TOTAL PARCELS   STRATUM VARIANCE
 _________     ________          ___________     _____________       ___________     ___________    _____________   ________________

      1           A            3,298,690,968        0.9776         3,374,274,722              44           35,864         .018172678
      2           A            3,290,485,724        0.9724         3,383,880,835              45           23,612         .004287899
      3           A            3,299,760,325        0.9599         3,437,608,423              44           16,967         .004984103
      4           A            3,286,383,271        0.9689         3,391,870,442              45            9,385         .006876369
      5           B              343,338,912        0.9456           363,091,066              56              706         .005356954
      6           B              343,693,380        0.9389           366,059,623               7               55         .001091931
      7           B              350,535,025        0.9786           358,200,516              10               34         .007847160
      8           B              329,250,256        0.9348           352,214,651               8               16         .017195603
      9           C               68,453,428        0.9010            75,974,948              31            1,618         .124099127
     10           C               68,393,590        0.9748            70,161,664              25              424         .025437168
     11           C               68,430,266        0.9563            71,557,321               7              150         .029118109
     12           C               68,279,054        0.9835            69,424,559              11               41         .014090150
     13           D3             148,529,211        1.1592           128,130,789              11              685         .313949733
     14           F1             932,946,735        1.0320           904,018,154              24            1,728         .020273279
     15           F1             933,284,825        1.0616           879,130,393               9              499         .070267023
     16           F1             936,706,369        0.9722           963,491,431               9              200         .015474209
     17           F1             924,508,567        0.8902         1,038,540,291               6               58         .005957974
     18           L1             408,743,835        1.0834           377,278,784               7            3,191         .025120624
     19           L1             408,890,026        1.0217           400,205,565               7              538         .000967333
     20           L1             411,905,446        0.9721           423,727,442               7              145         .003254799
     21           L1             405,035,212        1.0405           389,269,786               6               46         .002240851
  RANDOM TOTALS:              20,326,244,425                      20,818,111,405             419           95,962
  CATG D1 EXCEPTION VALUES:          233,931                             452,477
 TOTAL TEST VALUES (4):       20,326,478,356                      20,818,563,882
 MARGIN OF ERROR PERCENT:          5.0000000
 MARGIN OF ERROR VALUE:        1,040,928,194
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:         19,777,635,688 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:          20,326,478,356 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:         21,859,492,076 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):          19,702,628,029 (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