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DATE: 06/29/2006                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 10:46:17                                       2005 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              070/Ellis                                                 VRSN:      W
                                                        070-907/Italy ISD
____________________________________________________________________________________________________________________________________
    (1)           (1)                (1)              (1)                (1)              (2)            (3)
 # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE     SAMPLE SIZE    TOTAL PARCELS   STRATUM VARIANCE
 _________     ________          ___________     _____________       ___________     ___________    _____________   ________________

      1           A               12,759,181        0.9885            12,907,619              15              197         .022710402
      2           A               12,767,578        0.9329            13,685,902              17              135         .010004923
      3           A               12,777,868        0.9632            13,266,059              19              101         .013477023
      4           A               12,660,916        0.9687            13,070,007              15               58         .005726076
      5           D3              18,899,726        1.0428            18,124,018              29              957         .041516983
      6           F1                 951,542        0.6780             1,403,454               8               21         .042277177
      7           F1                 976,853        0.8074             1,209,875               8               10         .055567334
      8           F1                 898,202        1.0375               865,737               2                3         .000119217
  RANDOM TOTALS:                  72,691,866                          74,532,671             113            1,482
  CATG D1 EXCEPTION VALUES:        4,337,183                           4,289,875
  CATG F1 EXCEPTION VALUES:        1,010,600                           1,250,288
 TOTAL TEST VALUES (4):           78,039,649                          80,072,834
 MARGIN OF ERROR PERCENT:          5.0000004
 MARGIN OF ERROR VALUE:            4,003,642
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:             76,069,192 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:              78,039,649 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:             84,076,476 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):              83,090,188 (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