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DATE: 06/29/2006                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 11:06:39                                       2005 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              159/Maverick                                              VRSN:      W
                                                        159-901/Eagle Pass ISD
____________________________________________________________________________________________________________________________________
    (1)           (1)                (1)              (1)                (1)              (2)            (3)
 # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE     SAMPLE SIZE    TOTAL PARCELS   STRATUM VARIANCE
 _________     ________          ___________     _____________       ___________     ___________    _____________   ________________

      1           A              155,930,266        1.0505           148,434,332               9            4,318         .026548859
      2           A              155,945,501        0.9982           156,226,709              16            2,563         .008121473
      3           A              155,869,408        0.9874           157,858,424              42            1,838         .001921568
      4           A              155,866,800        0.9942           156,776,101              48            1,125         .002724759
      5           C               20,105,763        0.9365            21,469,048               8            2,218         .072912330
      6           C               20,055,966        0.9652            20,779,078              14            1,161         .005389925
      7           C               20,130,987        0.9699            20,755,735              20              566         .007129728
      8           C               20,004,740        0.9790            20,433,851               7              109         .003750810
      9           D3              65,805,770        0.9672            68,037,397              26            4,577         .015834371
     10           F1              44,285,787        0.9935            44,575,528               7              470         .005749224
     11           F1              44,503,021        0.9298            47,863,004               7              158         .009363123
     12           F1              44,590,899        0.9632            46,294,538               6               58         .002609886
     13           F1              43,611,786        0.8972            48,608,767               4               10         .015466062
     14           G1               8,594,092        0.9795             8,773,958               5               14         .001901160
     15           G1               9,614,780        0.9790             9,821,021               3                5         .002681191
     16           L1              27,528,540        1.0118            27,207,492               7              671         .005686022
     17           L1              27,663,366        1.0477            26,403,900               7              136         .001941428
     18           L1              27,265,916        0.9711            28,077,351               6               43         .000513129
     19           L1              27,319,132        0.9899            27,597,870               3                6         .000005146
  RANDOM TOTALS:               1,074,692,520                       1,085,994,104             245           20,046
  CATG D1 EXCEPTION VALUES:       48,391,458                          52,977,497
  CATG G1 EXCEPTION VALUES:       69,087,133                          69,597,301
 TOTAL TEST VALUES (4):        1,192,171,111                       1,208,568,902
 MARGIN OF ERROR PERCENT:          5.0000000
 MARGIN OF ERROR VALUE:           60,428,445
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:          1,148,140,457 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:           1,192,171,111 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:          1,268,997,347 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):           1,178,081,644 (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