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DATE: 01/23/2006                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 11:13:32                                       2005 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              101/Harris                                                VRSN:      W
                                                        101-924/Sheldon ISD
____________________________________________________________________________________________________________________________________
    (1)           (1)                (1)              (1)                (1)              (2)            (3)
 # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE     SAMPLE SIZE    TOTAL PARCELS   STRATUM VARIANCE
 _________     ________          ___________     _____________       ___________     ___________    _____________   ________________

      1           A               98,006,846        0.9225           106,240,483              10            1,754         .009456561
      2           A               96,971,644        0.9761            99,346,014              29            1,254         .004886819
      3           A               97,545,289        0.9525           102,409,752              41              975         .016096556
      4           A               97,397,782        1.0107            96,366,659              19              603         .005632940
      5           F1              19,040,003        1.0176            18,710,695               7              124         .002070711
      6           F1              19,112,137        0.9657            19,790,967               6               54         .004336784
      7           F1              19,092,559        1.0092            18,918,509               6               25         .007381112
      8           F1              18,331,784        1.0234            17,912,628               4               12         .002464131
      9           L1              19,088,778        1.0073            18,950,440               7              269         .009000448
     10           L1              19,289,643        0.9638            20,014,155               6               46         .002511670
     11           L1              37,274,611        0.9559            38,994,258               8               22         .004243206
  RANDOM TOTALS:                 541,151,076                         557,654,560             143            5,138
  CATG J  EXCEPTION VALUES:       36,537,939                          37,498,932
  CATG D1 EXCEPTION VALUES:        6,232,769                           6,210,774
 TOTAL TEST VALUES (4):          583,921,784                         601,364,266
 MARGIN OF ERROR PERCENT:          5.0000000
 MARGIN OF ERROR VALUE:           30,068,213
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:            571,296,053 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:             583,921,784 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:            631,432,479 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):           2,083,453,797 (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