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DATE: 06/29/2006                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 11:07:53                                       2005 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              161/McLennan                                              VRSN:      W
                                                        161-925/Gholson ISD
____________________________________________________________________________________________________________________________________
    (1)           (1)                (1)              (1)                (1)              (2)            (3)
 # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE     SAMPLE SIZE    TOTAL PARCELS   STRATUM VARIANCE
 _________     ________          ___________     _____________       ___________     ___________    _____________   ________________

      1           A                3,811,191        0.9416             4,047,569              12              101         .008896568
      2           A                3,761,667        0.9930             3,788,184              13               56         .016039765
      3           A                3,826,724        0.9794             3,907,213              12               45         .005032750
      4           A                3,705,945        0.9507             3,898,122              10               33         .002524145
      5           D3              14,071,731        1.0035            14,022,652              26              771         .017275098
  RANDOM TOTALS:                  29,177,258                          29,663,740              73            1,006
  CATG D1 EXCEPTION VALUES:        1,287,853                           1,244,431
 TOTAL TEST VALUES (4):           30,465,111                          30,908,171
 MARGIN OF ERROR PERCENT:          5.0000015
 MARGIN OF ERROR VALUE:            1,545,409
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:             29,362,762 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:              30,465,111 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:             32,453,580 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):              27,548,069 (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