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DATE: 01/27/2006                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 11:00:45                                       2005 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              108/Hidalgo                                               VRSN:      W
                                                        108-914/La Villa ISD
____________________________________________________________________________________________________________________________________
    (1)           (1)                (1)              (1)                (1)              (2)            (3)
 # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE     SAMPLE SIZE    TOTAL PARCELS   STRATUM VARIANCE
 _________     ________          ___________     _____________       ___________     ___________    _____________   ________________

      1           A                4,061,108        0.9679             4,195,793               7              200         .005833557
      2           A                4,023,279        0.9743             4,129,405               7              137         .001862918
      3           A                4,076,548        0.9717             4,195,274               8               98         .003965691
      4           A                3,986,265        0.9939             4,010,730               6               56         .031967918
      5           D3               2,928,523        1.0001             2,928,230              10              654         .015543629
      6           F1               9,376,648        0.9613             9,754,133               7               27         .003295372
      7           L1               2,557,741        1.0337             2,474,355               7               34         .000798429
  RANDOM TOTALS:                  31,010,112                          31,687,920              52            1,206
  CATG J  EXCEPTION VALUES:        2,560,301                           2,626,518
  CATG D1 EXCEPTION VALUES:        6,440,463                           6,297,141
 TOTAL TEST VALUES (4):           40,010,876                          40,611,579
 MARGIN OF ERROR PERCENT:          5.0000001
 MARGIN OF ERROR VALUE:            2,030,579
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:             38,581,000 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:              40,010,876 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:             42,642,158 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):              50,861,379 (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