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DATE: 01/26/2006                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 10:22:01                                       2005 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              125/Jim Wells                                             VRSN:      W
                                                        125-905/Premont ISD
____________________________________________________________________________________________________________________________________
    (1)           (1)                (1)              (1)                (1)              (2)            (3)
 # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE     SAMPLE SIZE    TOTAL PARCELS   STRATUM VARIANCE
 _________     ________          ___________     _____________       ___________     ___________    _____________   ________________

      1           A                6,533,303        0.9427             6,930,416               7              334         .029282367
      2           A                6,511,157        0.9645             6,750,811               7              195         .002027285
      3           A                6,547,380        0.9859             6,641,018               7              135         .011040490
      4           A                6,493,770        0.9650             6,729,295               6               81         .001875028
      5           D3              15,644,497        0.9222            16,964,321              10            1,956         .002745940
      6           G1              16,970,097        1.0068            16,855,480               8               28         .000173416
  RANDOM TOTALS:                  58,700,204                          60,871,341              45            2,729
  CATG J  EXCEPTION VALUES:        7,684,648                           7,799,172
  CATG D1 EXCEPTION VALUES:       10,300,487                          10,813,495
 TOTAL TEST VALUES (4):           76,685,339                          79,484,008
 MARGIN OF ERROR PERCENT:          5.0000000
 MARGIN OF ERROR VALUE:            3,974,200
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:             75,509,808 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:              76,685,339 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:             83,458,208 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):             118,536,868 (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