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DATE: 01/23/2006                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 11:06:43                                       2005 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              070/Ellis                                                 VRSN:      W
                                                        070-903/Ennis ISD
____________________________________________________________________________________________________________________________________
    (1)           (1)                (1)              (1)                (1)              (2)            (3)
 # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE     SAMPLE SIZE    TOTAL PARCELS   STRATUM VARIANCE
 _________     ________          ___________     _____________       ___________     ___________    _____________   ________________

      1           A              116,423,941        1.0088           115,408,348              23            1,784         .008485597
      2           A              116,401,751        1.0142           114,771,989              37            1,040         .008282016
      3           A              116,265,140        0.9941           116,955,176              40              697         .005918545
      4           A              116,319,319        1.0124           114,894,626              25              397         .002411103
      5           B                7,294,239        0.7528             9,689,478               7              111         .024229397
      6           B                7,373,689        0.8424             8,753,192               6               58         .044898069
      7           B                8,589,257        0.8519            10,082,471               5                7         .086080421
      8           B                5,829,532        0.7994             7,292,384               2                3         .102121346
      9           D3             122,273,530        0.9756           125,331,622              16            4,713         .003629947
     10           F1              30,027,536        0.8826            34,021,681               9              216         .031895612
     11           F1              29,784,877        0.8745            34,059,322               8               81         .094573984
     12           F1              30,567,871        0.9466            32,292,279               8               35         .004061449
     13           L1              14,417,336        0.9976            14,452,021               7              266         .067917431
     14           L1              14,650,548        1.0496            13,958,220               6               73         .008219227
     15           L1              15,765,552        0.8867            17,780,029               5               22         .060085511
     16           L1              12,810,613        1.4366             8,917,314               2                3         .013077052
  RANDOM TOTALS:                 764,794,731                         778,660,152             206            9,506
  CATG J  EXCEPTION VALUES:       56,493,944                          60,263,230
  CATG D1 EXCEPTION VALUES:       15,601,460                          15,173,389
  CATG F1 EXCEPTION VALUES:       23,851,740                          22,775,686
 TOTAL TEST VALUES (4):          860,741,875                         876,872,457
 MARGIN OF ERROR PERCENT:          5.0000000
 MARGIN OF ERROR VALUE:           43,843,623
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:            833,028,834 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:             860,741,875 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:            920,716,080 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):           1,373,711,857 (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