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DATE: 06/29/2006                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 11:15:14                                       2005 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              194/Red River                                             VRSN:      W
                                                        194-902/Avery ISD
____________________________________________________________________________________________________________________________________
    (1)           (1)                (1)              (1)                (1)              (2)            (3)
 # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE     SAMPLE SIZE    TOTAL PARCELS   STRATUM VARIANCE
 _________     ________          ___________     _____________       ___________     ___________    _____________   ________________

      1           A                2,799,073        1.0710             2,613,514               8              130         .005963858
      2           A                2,795,445        0.8516             3,282,580               6               72         .056311133
      3           A                2,780,198        0.9345             2,975,065               7               47         .008159514
      4           A                2,740,580        1.0608             2,583,503               6               26         .009259009
      5           D3              20,925,640        1.0523            19,885,622              20            2,067         .031997877
  RANDOM TOTALS:                  32,040,936                          31,340,284              47            2,342
  CATG J  EXCEPTION VALUES:        2,200,122                           2,086,179
  CATG D1 EXCEPTION VALUES:       13,688,230                          13,557,759
 TOTAL TEST VALUES (4):           47,929,288                          46,984,222
 MARGIN OF ERROR PERCENT:          5.0000000
 MARGIN OF ERROR VALUE:            2,349,211
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:             44,635,011 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:              47,929,288 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:             49,333,433 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):              41,863,302 (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