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DATE: 01/23/2006                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 11:12:00                                       2005 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              095/Hale                                                  VRSN:      W
                                                        095-905/Plainview ISD
____________________________________________________________________________________________________________________________________
    (1)           (1)                (1)              (1)                (1)              (2)            (3)
 # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE     SAMPLE SIZE    TOTAL PARCELS   STRATUM VARIANCE
 _________     ________          ___________     _____________       ___________     ___________    _____________   ________________

      1           A               93,503,022        0.9331           100,206,861              66            2,785         .039656658
      2           A               93,518,086        0.9524            98,192,026              77            1,456         .010519589
      3           A               93,612,981        0.9759            95,924,768              73              953         .006114242
      4           A               93,327,177        0.9594            97,276,607              46              564         .007894965
      5           D3              52,881,899        0.9521            55,542,379              28            3,070         .061894147
      6           F1              26,148,539        1.0884            24,024,751               9              436         .025577769
      7           F1              26,078,175        0.8717            29,916,456               8              139         .050131700
      8           F1              26,305,423        0.9115            28,859,488               5               49         .007148004
      9           F1              25,814,735        1.0188            25,338,374               5               14         .001653996
     10           L1              20,506,467        0.9716            21,105,874               7              353         .004028540
     11           L1              20,754,695        0.9960            20,838,047               6               90         .000061565
     12           L1              21,150,189        0.9733            21,730,390               8               35         .001836665
     13           L1              19,454,044        1.0075            19,309,225               4               11         .000152073
  RANDOM TOTALS:                 613,055,432                         638,265,246             342            9,955
  CATG J  EXCEPTION VALUES:       31,549,181                          31,986,461
  CATG D1 EXCEPTION VALUES:       48,628,921                          22,718,073
 TOTAL TEST VALUES (4):          693,233,534                         692,969,780
 MARGIN OF ERROR PERCENT:          5.0000000
 MARGIN OF ERROR VALUE:           34,648,489
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:            658,321,291 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:             693,233,534 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:            727,618,269 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):             919,135,582 (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