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DATE: 06/29/2006                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 11:08:57                                       2005 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              168/Mitchell                                              VRSN:      W
                                                        168-901/Colorado ISD
____________________________________________________________________________________________________________________________________
    (1)           (1)                (1)              (1)                (1)              (2)            (3)
 # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE     SAMPLE SIZE    TOTAL PARCELS   STRATUM VARIANCE
 _________     ________          ___________     _____________       ___________     ___________    _____________   ________________

      1           A               10,569,201        0.9561            11,054,493              11              743         .086145186
      2           A               10,611,715        1.1475             9,247,682              10              418         .035569444
      3           A               10,523,334        1.0527             9,996,518               8              252         .011575508
      4           A               10,552,196        1.0775             9,793,221               7              137         .003888361
      5           D3              21,291,211        1.0467            20,341,274              10            2,142         .149566438
      6           F1               3,207,537        0.9186             3,491,767               7              116         .024438869
      7           F1               3,228,300        0.9174             3,518,967               6               34         .024184733
      8           F1               3,158,829        0.9895             3,192,349               5               13         .001745721
      9           F1               3,102,629        1.0251             3,026,660               3                5         .000576789
     10           G1               6,209,380        1.0147             6,119,424               6               41         .009104131
     11           G1               6,043,190        1.0481             5,765,852               5               16         .008142559
     12           G1               8,125,190        0.9905             8,203,120               4                9         .000201381
     13           L1               1,821,172        1.0132             1,797,446               6               83         .001845700
     14           L1               1,793,445        1.0066             1,781,686               5               18         .000133210
     15           L1               2,000,019        1.1626             1,720,298               4                9         .010359390
  RANDOM TOTALS:                 102,237,348                          99,050,757              97            4,036
  CATG J  EXCEPTION VALUES:       32,806,213                          35,879,974
  CATG D1 EXCEPTION VALUES:       14,849,120                          15,191,764
  CATG G1 EXCEPTION VALUES:       13,295,112                          13,478,948
  CATG L1 EXCEPTION VALUES:        1,484,680                           1,557,220
 TOTAL TEST VALUES (4):          164,672,473                         165,158,663
 MARGIN OF ERROR PERCENT:          5.0000000
 MARGIN OF ERROR VALUE:            8,257,933
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:            156,900,730 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:             164,672,473 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:            173,416,596 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):             209,109,325 (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