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DATE: 06/29/2006                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 10:48:14                                       2005 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              077/Floyd                                                 VRSN:      W
                                                        077-901/Floydada ISD
____________________________________________________________________________________________________________________________________
    (1)           (1)                (1)              (1)                (1)              (2)            (3)
 # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE     SAMPLE SIZE    TOTAL PARCELS   STRATUM VARIANCE
 _________     ________          ___________     _____________       ___________     ___________    _____________   ________________

      1           A               10,223,056        0.8339            12,259,331              14              572         .033870445
      2           A               10,243,355        0.9866            10,382,480              13              297         .149822356
      3           A               10,227,634        0.9456            10,816,026              13              174         .015382757
      4           A               10,174,683        1.0789             9,430,608              12              103         .010848778
      5           D3              17,297,660        0.8718            19,841,317              20            3,106         .013673105
      6           F1               1,976,105        0.7708             2,563,707               6               82         .024182372
      7           F1               1,969,517        0.8952             2,200,086               8               33         .022288381
      8           F1               2,043,604        0.9012             2,267,648               6               17         .023064926
      9           F1               1,785,908        0.9263             1,928,002               4                6         .020112548
     10           L1               2,610,098        1.0823             2,411,622               6               69         .022430697
     11           L1               2,555,012        1.0303             2,479,872               5               19         .000976543
     12           L1               2,575,034        0.9983             2,579,419               4                9         .002418974
     13           L1               2,441,969        1.0405             2,346,919               3                4         .000785398
  RANDOM TOTALS:                  76,123,635                          81,507,037             114            4,491
  CATG J  EXCEPTION VALUES:       10,507,627                           9,022,812
  CATG D1 EXCEPTION VALUES:       51,690,506                          35,594,267
 TOTAL TEST VALUES (4):          138,321,768                         126,124,116
 MARGIN OF ERROR PERCENT:          5.0000002
 MARGIN OF ERROR VALUE:            6,306,206
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:            119,817,910 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   STATE UPPER LIMIT:            132,430,322 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:             138,321,768 (OUTSIDE CONFIDENCE INTERVAL)
 VALUE ASSIGNED (6):             130,657,576 (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