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DATE: 01/23/2006                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 11:18:19                                       2005 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              117/Hutchinson                                            VRSN:      W
                                                        117-907/Spring Creek ISD
____________________________________________________________________________________________________________________________________
    (1)           (1)                (1)              (1)                (1)              (2)            (3)
 # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE     SAMPLE SIZE    TOTAL PARCELS   STRATUM VARIANCE
 _________     ________          ___________     _____________       ___________     ___________    _____________   ________________

      1           D3               2,076,380        0.6248             3,323,271              18              467         .273328159
      2           G1               3,693,700        1.0276             3,594,492              15               67         .028485842
      3           G1               3,661,290        1.0991             3,331,171              13               20         .023449534
      4           G1               3,623,310        1.0894             3,325,968               8               10         .006664259
      5           G1               3,518,140        1.0306             3,413,681               5                6         .021729726
  RANDOM TOTALS:                  16,572,820                          16,988,583              59              570
  CATG J  EXCEPTION VALUES:        1,375,879                           1,491,167
  CATG D1 EXCEPTION VALUES:        2,925,280                           3,576,428
  CATG L1 EXCEPTION VALUES:        1,341,130                           1,341,130
 TOTAL TEST VALUES (4):           22,215,109                          23,397,308
 MARGIN OF ERROR PERCENT:          5.0000000
 MARGIN OF ERROR VALUE:            1,169,865
 CONFIDENCE INTERVAL VALUES (5):
   LOCAL TEST VALUE:              22,215,109 (OUTSIDE CONFIDENCE INTERVAL)
   STATE LOWER LIMIT:             22,227,443 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   STATE UPPER LIMIT:             24,567,173 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):              27,042,243 (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