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DATE: 01/23/2006                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 11:41:06                                       2005 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              237/Waller                                                VRSN:      W
                                                        237-902/Hempstead ISD
____________________________________________________________________________________________________________________________________
    (1)           (1)                (1)              (1)                (1)              (2)            (3)
 # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE     SAMPLE SIZE    TOTAL PARCELS   STRATUM VARIANCE
 _________     ________          ___________     _____________       ___________     ___________    _____________   ________________

      1           A               26,103,172        0.8786            29,709,961              16              739         .070952190
      2           A               26,070,912        1.0529            24,761,052              15              366         .012698474
      3           A               26,032,103        0.9686            26,876,010              14              233         .018542713
      4           A               26,008,184        1.0702            24,302,172              13              143         .024171330
      5           D3             102,765,940        0.9325           110,204,761              27            4,000         .027714134
      6           F1               9,811,630        0.8978            10,928,525               6              123         .028956671
      7           F1               9,893,989        0.9951             9,942,708               5               34         .024251235
      8           F1               9,952,174        0.9452            10,529,173               4               12         .001400969
      9           F1               9,511,798        0.9094            10,459,422               2                3         .002196565
     10           L1               5,799,651        0.9351             6,202,172               7              134         .086949598
     11           L1               5,975,600        0.9581             6,236,927               6               32         .074317089
     12           L1               5,688,291        0.9363             6,075,287               4               12         .014977034
     13           L1               5,551,086        0.8875             6,254,745               3                4         .008087275
  RANDOM TOTALS:                 269,164,530                         282,482,915             122            5,835
  CATG J  EXCEPTION VALUES:        9,228,400                           9,577,498
  CATG D1 EXCEPTION VALUES:        9,871,440                           9,869,906
 TOTAL TEST VALUES (4):          288,264,370                         301,930,319
 MARGIN OF ERROR PERCENT:          5.0000000
 MARGIN OF ERROR VALUE:           15,096,516
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:            286,833,803 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:             288,264,370 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:            317,026,835 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):             315,138,367 (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