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DATE: 06/29/2006                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 10:46:11                                       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              117,187,874        1.0088           116,165,617              23            1,784         .008485597
      2           A              117,165,538        1.0142           115,525,082              37            1,040         .008282016
      3           A              117,028,031        0.9941           117,722,594              40              697         .005918545
      4           A              117,082,565        1.0124           115,648,523              25              397         .002411103
      5           B                7,282,921        0.7528             9,674,443               7              111         .024229397
      6           B                7,362,247        0.8424             8,739,609               6               58         .044898069
      7           B                8,575,929        0.8519            10,066,826               5                7         .086080421
      8           B                5,820,486        0.7994             7,281,068               2                3         .102121346
      9           D3             120,001,750        0.9756           123,003,024              16            4,720         .003629947
     10           F1              29,912,435        0.8826            33,891,270               9              216         .031895612
     11           F1              29,670,706        0.8745            33,928,766               8               81         .094573984
     12           F1              30,450,698        0.9466            32,168,496               8               35         .004061449
     13           L1              14,330,616        0.9976            14,365,092               7              266         .067917431
     14           L1              14,562,425        1.0496            13,874,262               6               73         .008219227
     15           L1              15,670,722        0.8867            17,673,082               5               22         .060085511
     16           L1              12,733,557        1.4366             8,863,676               2                3         .013077052
  RANDOM TOTALS:                 764,838,500                         778,591,430             206            9,513
  CATG J  EXCEPTION VALUES:       56,493,944                          56,609,657
  CATG D1 EXCEPTION VALUES:       15,495,053                          13,749,565
  CATG F1 EXCEPTION VALUES:       23,851,740                          22,775,686
 TOTAL TEST VALUES (4):          860,679,237                         871,726,338
 MARGIN OF ERROR PERCENT:          5.0000000
 MARGIN OF ERROR VALUE:           43,586,317
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:            828,140,021 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:             860,679,237 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:            915,312,655 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):           1,371,329,914 (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