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DATE: 06/29/2006                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 11:08:17                                       2005 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              165/Midland                                               VRSN:      W
                                                        165-902/Greenwood ISD
____________________________________________________________________________________________________________________________________
    (1)           (1)                (1)              (1)                (1)              (2)            (3)
 # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE     SAMPLE SIZE    TOTAL PARCELS   STRATUM VARIANCE
 _________     ________          ___________     _____________       ___________     ___________    _____________   ________________

      1           A               26,593,232        0.9885            26,902,612               9              476         .000747853
      2           A               26,681,556        0.9871            27,030,246              22              275         .001387503
      3           A               26,538,468        0.9629            27,560,980              31              187         .005356777
      4           A               26,550,598        1.0124            26,225,403              20              120         .028838610
      5           D3              23,074,710        0.9821            23,495,275              13            1,030         .005729573
      6           G1              42,919,390        0.9928            43,230,651               7              143         .021870728
      7           G1              43,127,841        0.9876            43,669,341               6               69         .003810856
      8           G1              42,681,050        1.0182            41,918,140               6               26         .013093235
      9           G1              42,650,419        1.0250            41,610,165               3                4         .007665736
  RANDOM TOTALS:                 300,817,264                         301,642,813             117            2,330
  CATG J  EXCEPTION VALUES:        8,706,539                           9,109,226
  CATG D1 EXCEPTION VALUES:        3,769,650                           3,517,759
 TOTAL TEST VALUES (4):          313,293,453                         314,269,798
 MARGIN OF ERROR PERCENT:          5.0000000
 MARGIN OF ERROR VALUE:           15,713,490
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:            298,556,308 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:             313,293,453 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:            329,983,288 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):             365,692,667 (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