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2007 Confidence Interval Detail
014/Bell
014-906/Killeen ISD

Category Summary

(1)
Category
(1)
Local
Value
(1)
Stratum
Ratio
(1)
State
Value
(2)
Sample
Size
(3)
Total
Parcels

Stratum
Variance
A 909,523,885 0.9416 965,934,457 57 11,320 .003875289
A 909,256,402 0.9658 941,454,133 57 8,410 .004999973
A 909,456,276 0.9660 941,466,124 57 6,458 .004843355
A 909,205,644 0.9828 925,117,668 57 4,087 .005392213
B 139,568,839 0.8878 157,207,523 35 1,266 .006546780
B 140,361,098 0.9652 145,421,776 97 741 .002726963
B 139,207,312 0.9853 141,284,190 82 371 .005213790
B 138,972,431 0.8695 159,830,283 7 25 .004905858
F1 148,323,417 0.9905 149,746,004 8 728 .024566229
F1 148,210,787 0.9575 154,789,334 8 221 .074511847
F1 149,113,404 1.0128 147,228,874 7 94 .007637628
F1 146,629,162 0.9584 152,993,700 6 27 .003560348
L1 63,859,340 0.9480 67,362,173 8 1,661 .005878013
L1 64,127,546 0.9625 66,626,022 8 247 .022120047
L1 65,524,575 1.0174 64,403,946 7 69 .001647049
L1 61,795,553 0.9724 63,549,520 5 14 .000379763
Random Totals: 5,043,135,671   5,244,415,727 506 35,739  
Catg D1 Exception Values: 3,507,164   3,527,621      
Total Test Values (4): 5,046,642,835   5,247,943,348      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 262,397,167

Confidence Interval Values (5)

State Lower Limit: 4,985,546,181 (State Test Value minus Margin of Error Percent)
Local Test Value: 5,046,642,835 (Within Confidence Interval)
State Upper Limit: 5,510,340,515 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 5,202,837,903 (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
(6) Includes local value of unstudied property categories and sub-categories

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