taxes Property Tax Assistance

2018 Confidence Interval Detail

019/Bowie
019-905/New Boston ISD

Category Summary

(1)
Category		 (1)
Local
Value		 (1)
Stratum
Ratio		 (1)
State
Value		 (2)
Sample
Size		 (3)
Total
Parcels
Stratum
Variance
A 41,098,774 0.9850 41,724,644 15 840 .086354609
A 41,305,662 0.9840 41,977,299 17 490 .044113545
A 41,836,727 0.9406 44,478,766 19 347 .042829101
A 42,713,963 0.9733 43,885,711 17 216 .008270375
E 63,954,155 0.9672 66,122,989 22 799 .017970643
F1 14,941,322 0.9166 16,300,810 16 93 .026420559
F1 15,081,545 0.9372 16,092,131 15 28 .028011892
F1 19,025,293 0.9516 19,992,952 9 14 .082570107
L1 3,495,750 0.7676 4,554,130 9 94 .041879600
L1 3,676,852 1.1128 3,304,145 7 25 .124304417
L1 5,369,272 1.0085 5,324,018 5 16 .008380035
L1 3,677,007 1.0005 3,675,169 3 4 .005445884
Random Totals: 296,176,322   307,432,764 154 2,966  
Catg D1 Exception Values: 6,202,229   4,179,808      
Catg F1 Exception Values: 11,969,796   11,434,052      
Catg L1 Exception Values: 4,487,076   4,756,112      
Total Test Values (4): 318,835,423   327,802,736      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 16,390,136

Confidence Interval Values (5)

State Lower Limit: 311,412,600 (State Test Value minus Margin of Error Percent)
Local Test Value: 318,835,423 (Within Confidence Interval)
State Upper Limit: 344,192,872 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 386,667,283 (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, D2, E, 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