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DATE: 06/29/2006                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 10:50:06                                       2005 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              090/Gray                                                  VRSN:      W
                                                        090-905/Grandview-Hopkins ISD
____________________________________________________________________________________________________________________________________
    (1)           (1)                (1)              (1)                (1)              (2)            (3)
 # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE     SAMPLE SIZE    TOTAL PARCELS   STRATUM VARIANCE
 _________     ________          ___________     _____________       ___________     ___________    _____________   ________________

      1           D3               3,097,110        0.6862             4,513,422              10              414         .203261927
      2           G1              15,932,818        0.9272            17,183,799              11               86         .023641014
      3           G1              16,012,273        0.9699            16,509,200               9               42         .006347217
      4           G1              16,168,282        1.0353            15,617,002               8               29         .009447722
      5           G1              15,182,986        1.0332            14,695,108               6               14         .011797155
  RANDOM TOTALS:                  66,393,469                          68,518,531              44              585
  CATG J  EXCEPTION VALUES:        3,781,257                           3,611,727
  CATG D1 EXCEPTION VALUES:        6,651,080                           7,723,185
 TOTAL TEST VALUES (4):           76,825,806                          79,853,443
 MARGIN OF ERROR PERCENT:          5.0000000
 MARGIN OF ERROR VALUE:            3,992,672
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:             75,860,771 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:              76,825,806 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:             83,846,115 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):              88,140,224 (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