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DATE: 01/23/2006                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 11:28:26                                       2005 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              174/Nacogdoches                                           VRSN:      W
                                                        174-901/Chireno ISD
____________________________________________________________________________________________________________________________________
    (1)           (1)                (1)              (1)                (1)              (2)            (3)
 # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE     SAMPLE SIZE    TOTAL PARCELS   STRATUM VARIANCE
 _________     ________          ___________     _____________       ___________     ___________    _____________   ________________

      1           A                2,821,528        0.7749             3,641,151               6               99         .033101650
      2           A                2,810,961        0.9644             2,914,725               6               55         .090341659
      3           A                2,759,217        0.9247             2,983,905               6               38         .039454769
      4           A                2,757,584        0.9355             2,947,711               6               22         .046140236
      5           D3              16,766,950        1.0450            16,044,928              16            1,328         .012529638
  RANDOM TOTALS:                  27,916,240                          28,532,420              40            1,542
  CATG J  EXCEPTION VALUES:        2,479,459                           2,765,448
  CATG D1 EXCEPTION VALUES:       11,154,890                           9,349,158
 TOTAL TEST VALUES (4):           41,550,589                          40,647,026
 MARGIN OF ERROR PERCENT:          5.0000000
 MARGIN OF ERROR VALUE:            2,032,351
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:             38,614,675 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:              41,550,589 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:             42,679,377 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):              44,494,421 (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