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DATE: 01/23/2006                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 11:34:19                                       2005 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              198/Robertson                                             VRSN:      W
                                                        198-903/Franklin ISD
____________________________________________________________________________________________________________________________________
    (1)           (1)                (1)              (1)                (1)              (2)            (3)
 # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE     SAMPLE SIZE    TOTAL PARCELS   STRATUM VARIANCE
 _________     ________          ___________     _____________       ___________     ___________    _____________   ________________

      1           A               12,535,366        0.8819            14,214,045              10              430         .066529604
      2           A               12,528,449        0.8837            14,177,265              12              260         .040496331
      3           A               12,523,447        0.9802            12,776,420              10              177         .030764377
      4           A               12,449,477        1.0442            11,922,502               8              112         .035033430
      5           D3              57,697,300        0.9491            60,791,592              18            4,248         .039438069
      6           G1             109,605,915        0.9307           117,767,181               7              132         .004887060
      7           G1             107,833,677        1.0221           105,502,081               6               65         .002090924
      8           G1             111,323,352        1.0246           108,650,549               6               36         .003153113
      9           G1             105,508,137        1.0259           102,844,465               3                5         .009509793
  RANDOM TOTALS:                 542,005,120                         548,646,100              80            5,465
  CATG J  EXCEPTION VALUES:       31,420,979                          32,261,047
  CATG D1 EXCEPTION VALUES:       12,765,030                          14,112,577
 TOTAL TEST VALUES (4):          586,191,129                         595,019,724
 MARGIN OF ERROR PERCENT:          5.0000000
 MARGIN OF ERROR VALUE:           29,750,986
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:            565,268,738 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:             586,191,129 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:            624,770,710 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):             682,117,688 (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