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DATE: 01/27/2006                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 10:59:03                                       2005 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              031/Cameron                                               VRSN:      W
                                                        031-905/La Feria ISD
____________________________________________________________________________________________________________________________________
    (1)           (1)                (1)              (1)                (1)              (2)            (3)
 # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE     SAMPLE SIZE    TOTAL PARCELS   STRATUM VARIANCE
 _________     ________          ___________     _____________       ___________     ___________    _____________   ________________

      1           A               38,959,778        0.9806            39,730,551              15            1,352         .033597216
      2           A               38,935,593        0.9092            42,824,013              12              806         .023848546
      3           A               39,025,638        0.9864            39,563,704              19              504         .001375937
      4           A               38,860,888        0.9114            42,638,675              11              289         .034329943
      5           C                4,245,850        0.9886             4,294,811               8              473         .002995508
      6           C                5,521,085        0.9775             5,648,169               8              250         .002482783
      7           C                3,070,076        0.9884             3,106,107               7               95         .001336280
      8           C                4,097,692        0.9869             4,152,084               7               76         .002086353
      9           D3              31,176,499        0.9383            33,226,579              12            1,651         .010267930
     10           F1               6,566,486        0.9999             6,567,143               7               91         .016522451
     11           F1               6,606,286        0.9603             6,879,398               6               36         .003546586
     12           F1               6,862,829        0.9475             7,243,091               6               19         .001205459
     13           F1               6,204,091        0.9967             6,224,632               5                8         .001637262
     14           L1               2,439,455        0.9536             2,558,153               7               82         .011042893
     15           L1               2,437,380        0.9964             2,446,186               5               23         .027706829
     16           L1               2,408,264        0.9187             2,621,382               4               12         .012240906
  RANDOM TOTALS:                 237,417,890                         249,724,678             139            5,767
  CATG D1 EXCEPTION VALUES:        3,732,960                           3,083,977
  CATG L1 EXCEPTION VALUES:        2,670,184                           2,656,860
 TOTAL TEST VALUES (4):          243,821,034                         255,465,515
 MARGIN OF ERROR PERCENT:          5.0000001
 MARGIN OF ERROR VALUE:           12,773,276
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:            242,692,239 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:             243,821,034 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:            268,238,791 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):             232,239,659 (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