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DATE: 06/22/2005                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 10:57:31                                       2004 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              043/Collin                                                VRSN:      W
                                                        043-911/Princeton ISD
____________________________________________________________________________________________________________________________________
         (1)           (1)                (1)              (1)                (1)              (2)            (3)
      # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE      SAMPLE SIZE    TOTAL PARCELS
      _________     ________          ___________     _____________       ___________      ___________    _____________

           1           A               58,920,895        1.0274            57,349,518               18              996
           2           A               58,978,486        0.9988            59,049,345               32              644
           3           A               58,961,475        0.9986            59,044,137               33              471
           4           A               58,813,823        1.0084            58,323,902               21              334
           5           C                5,221,291        0.9406             5,551,022                9              406
           6           C                4,676,482        0.9813             4,765,599               10              202
           7           C                3,587,887        1.0813             3,318,124                7              125
           8           C                4,477,437        1.1112             4,029,371                7               76
           9           D3              47,006,509        0.9558            49,180,277               11           19,808
          10           F1               5,326,725        0.9499             5,607,669                7               48
          11           F1               5,193,379        0.9522             5,454,084                5               15
  RANDOM TOTALS:                      311,164,389                         311,673,048              160           23,125
  CATG D1 EXCEPTION VALUES:             2,375,211                           2,098,911
  CATG F1 EXCEPTION VALUES:             9,341,573                          11,171,216
 TOTAL TEST VALUES (4):               322,881,173                         324,943,175
 MARGIN OF ERROR PERCENT:               5.0000001
 MARGIN OF ERROR VALUE:                16,247,159
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:                 308,696,016 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:                  322,881,173 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:                 341,190,334 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):                  330,738,249 (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