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DATE: 01/26/2006                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 10:23:13                                       2005 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              133/Kerr                                                  VRSN:      W
                                                        133-903/Kerrville ISD
____________________________________________________________________________________________________________________________________
    (1)           (1)                (1)              (1)                (1)              (2)            (3)
 # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE     SAMPLE SIZE    TOTAL PARCELS   STRATUM VARIANCE
 _________     ________          ___________     _____________       ___________     ___________    _____________   ________________

      1           A              280,787,018        0.9499           295,596,398              50            3,592         .020564620
      2           A              280,893,970        0.9762           287,742,235              50            2,125         .010034566
      3           A              280,688,007        0.9617           291,866,494              50            1,466         .009803689
      4           A              280,711,832        0.9907           283,346,959              50              858         .019673700
      5           D3             169,680,993        0.9709           174,766,704              70            3,394         .017815283
      6           F1              66,932,054        1.0989            60,908,230              10              373         .012983132
      7           F1              66,712,055        1.0753            62,040,412               7              127         .051386684
      8           F1              67,564,451        0.9713            69,560,847               6               46         .000963626
      9           F1              65,426,035        0.9710            67,380,057               5               17         .002950282
     10           L1              26,110,261        1.0177            25,656,147               7              590         .022923125
     11           L1              25,980,210        0.9384            27,685,646               7              114         .010426837
     12           L1              30,770,399        0.9927            30,996,675               6               32         .002616126
     13           L1              21,312,305        1.0375            20,541,981               2                3         .007158347
  RANDOM TOTALS:               1,663,569,590                       1,698,088,785             320           12,737
  CATG D1 EXCEPTION VALUES:        4,094,219                           3,991,429
 TOTAL TEST VALUES (4):        1,667,663,809                       1,702,080,214
 MARGIN OF ERROR PERCENT:          5.0000000
 MARGIN OF ERROR VALUE:           85,104,011
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:          1,616,976,203 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:           1,667,663,809 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:          1,787,184,225 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):           1,634,035,569 (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