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DATE: 01/23/2006                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 11:33:47                                       2005 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              194/Red River                                             VRSN:      W
                                                        194-905/Detroit ISD
____________________________________________________________________________________________________________________________________
    (1)           (1)                (1)              (1)                (1)              (2)            (3)
 # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE     SAMPLE SIZE    TOTAL PARCELS   STRATUM VARIANCE
 _________     ________          ___________     _____________       ___________     ___________    _____________   ________________

      1           A                3,573,641        0.8943             3,996,020               7              185         .112868209
      2           A                3,556,496        0.9877             3,600,786               7               99         .048640910
      3           A                3,585,576        1.0803             3,319,056               6               68         .020138305
      4           A                3,527,153        1.1384             3,098,342               7               38         .126534194
      5           D3              25,653,350        0.9427            27,212,634              21            2,318         .060208295
  RANDOM TOTALS:                  39,896,216                          41,226,838              48            2,708
  CATG D1 EXCEPTION VALUES:       14,861,440                          14,625,530
 TOTAL TEST VALUES (4):           54,757,656                          55,852,368
 MARGIN OF ERROR PERCENT:          5.8289722
 MARGIN OF ERROR VALUE:            3,255,619
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:             52,596,749 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:              54,757,656 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:             59,107,987 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):              49,348,263 (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