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DATE: 06/29/2006                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 11:17:56                                       2005 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              210/Shelby                                                VRSN:      W
                                                        210-901/Center ISD
____________________________________________________________________________________________________________________________________
    (1)           (1)                (1)              (1)                (1)              (2)            (3)
 # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE     SAMPLE SIZE    TOTAL PARCELS   STRATUM VARIANCE
 _________     ________          ___________     _____________       ___________     ___________    _____________   ________________

      1           A               27,102,092        0.8802            30,790,834              11              944         .075981186
      2           A               27,148,337        1.0251            26,483,599              12              540         .079273977
      3           A               27,137,752        0.9220            29,433,570              16              342         .044950664
      4           A               27,010,656        1.0051            26,873,601               9              183         .055044994
      5           D3              64,801,666        0.9860            65,721,771              20            4,635         .088766633
      6           F1              11,306,923        0.8866            12,753,128               7              234         .015051286
      7           F1              11,231,883        0.7840            14,326,381               7               98         .063923403
      8           F1              11,749,488        1.0170            11,553,086               6               44         .013761019
      9           F1              10,743,780        0.8530            12,595,287               5               13         .018624638
     10           L1               9,404,817        0.9046            10,396,658               8              224         .044046060
     11           L1               9,563,115        0.8711            10,978,206               6               48         .055322414
     12           L1              10,884,633        1.0024            10,858,572               4               12         .005507103
  RANDOM TOTALS:                 248,085,142                         262,764,693             111            7,317
  CATG J  EXCEPTION VALUES:       16,890,792                          16,895,896
  CATG D1 EXCEPTION VALUES:       23,860,412                          20,405,540
  CATG L1 EXCEPTION VALUES:       10,351,215                          10,377,680
 TOTAL TEST VALUES (4):          299,187,561                         310,443,809
 MARGIN OF ERROR PERCENT:          5.0000000
 MARGIN OF ERROR VALUE:           15,522,190
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:            294,921,619 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:             299,187,561 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:            325,965,999 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):             327,652,606 (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