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DATE: 06/29/2006                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 10:43:30                                       2005 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              057/Dallas                                                VRSN:      W
                                                        057-906/DeSoto ISD
____________________________________________________________________________________________________________________________________
    (1)           (1)                (1)              (1)                (1)              (2)            (3)
 # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE     SAMPLE SIZE    TOTAL PARCELS   STRATUM VARIANCE
 _________     ________          ___________     _____________       ___________     ___________    _____________   ________________

      1           A              431,828,395        0.9939           434,478,715              34            3,710         .009641316
      2           A              431,724,540        0.9885           436,747,132              43            3,034         .007278837
      3           A              431,608,030        1.0043           429,760,062              42            2,452         .001788826
      4           A              431,597,925        1.0310           418,620,684              47            1,556         .006609866
      5           B               30,072,506        0.9765            30,796,217              14              375         .010686235
      6           B               30,191,346        1.0185            29,642,951              12              207         .007536751
      7           B               35,644,946        0.8540            41,738,813               5               13         .027008198
      8           F1              38,571,346        0.9351            41,248,365               7              148         .013602981
      9           F1              39,351,990        0.8591            45,806,064               6               45         .056674772
     10           F1              37,458,756        0.8597            43,571,893               5               17         .039313039
     11           F1              38,607,209        1.0254            37,650,877               4                8         .000865733
  RANDOM TOTALS:               1,976,656,989                       1,990,061,773             219           11,565
  CATG D1 EXCEPTION VALUES:          241,318                             228,711
  CATG B  EXCEPTION VALUES:       23,462,000                          24,026,502
 TOTAL TEST VALUES (4):        2,000,360,307                       2,014,316,986
 MARGIN OF ERROR PERCENT:          5.0000000
 MARGIN OF ERROR VALUE:          100,715,849
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:          1,913,601,137 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:           2,000,360,307 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:          2,115,032,835 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):           2,036,096,366 (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