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DATE: 06/29/2006                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 11:20:39                                       2005 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              226/Tom Green                                             VRSN:      W
                                                        226-905/Water Valley ISD
____________________________________________________________________________________________________________________________________
    (1)           (1)                (1)              (1)                (1)              (2)            (3)
 # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE     SAMPLE SIZE    TOTAL PARCELS   STRATUM VARIANCE
 _________     ________          ___________     _____________       ___________     ___________    _____________   ________________

      1           A                5,897,439        0.9968             5,916,371               9              220         .006535902
      2           A                5,891,106        0.9249             6,369,452               7              113         .039122054
      3           A                5,937,449        0.8819             6,732,565               8               75         .017991232
      4           A                5,821,400        1.0220             5,696,086               5               43         .001249147
      5           D3               8,270,948        0.9475             8,729,233              10            1,575         .027709085
      6           G1               7,177,792        1.0295             6,972,115               5               19         .001106968
      7           G1               7,477,475        0.9944             7,519,585               3                4         .001522417
      8           G1               9,783,907        1.0132             9,656,442               2                3         .000453954
  RANDOM TOTALS:                  56,257,516                          57,591,849              49            2,052
  CATG J  EXCEPTION VALUES:        6,192,198                           6,213,570
  CATG D1 EXCEPTION VALUES:       13,064,410                          11,785,353
  CATG G1 EXCEPTION VALUES:        4,265,710                           4,160,424
 TOTAL TEST VALUES (4):           79,779,834                          79,751,196
 MARGIN OF ERROR PERCENT:          5.0000003
 MARGIN OF ERROR VALUE:            3,987,560
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:             75,763,636 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:              79,779,834 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:             83,738,756 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):              89,453,897 (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