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DATE: 06/29/2006                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 11:07:13                                       2005 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              161/McLennan                                              VRSN:      W
                                                        161-909/McGregor ISD
____________________________________________________________________________________________________________________________________
    (1)           (1)                (1)              (1)                (1)              (2)            (3)
 # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE     SAMPLE SIZE    TOTAL PARCELS   STRATUM VARIANCE
 _________     ________          ___________     _____________       ___________     ___________    _____________   ________________

      1           A               21,102,080        1.0328            20,431,913              15              646         .042778581
      2           A               21,051,214        0.9295            22,647,890              15              372         .009910400
      3           A               21,092,410        0.9895            21,316,230              17              252         .004125605
      4           A               21,000,368        0.9552            21,985,310              16              162         .006610486
      5           D3              20,806,690        0.9147            22,747,010              18              884         .025166702
      6           F1               4,029,200        1.0095             3,991,283               7               75         .004232165
      7           F1               4,016,130        1.0177             3,946,281               7               26         .028743959
      8           F1               4,179,254        0.9695             4,310,731               4               12         .001640603
      9           L1               3,583,819        1.0012             3,579,524               6               61         .001563096
     10           L1               3,808,533        0.9806             3,883,880               6               16         .033910872
     11           L1               3,532,317        1.0262             3,442,133               3                6         .002602077
     12           L1               3,315,100        1.0026             3,306,503               2                3         .000255135
  RANDOM TOTALS:                 131,517,115                         135,588,688             116            2,515
  CATG J  EXCEPTION VALUES:       10,936,074                          10,929,368
  CATG D1 EXCEPTION VALUES:        6,276,117                           7,096,839
  CATG F1 EXCEPTION VALUES:        3,599,796                           3,568,711
 TOTAL TEST VALUES (4):          152,329,102                         157,183,606
 MARGIN OF ERROR PERCENT:          5.0000000
 MARGIN OF ERROR VALUE:            7,859,180
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:            149,324,426 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:             152,329,102 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:            165,042,786 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):             208,554,423 (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