taxes Property Tax Assistance

2017 Confidence Interval Detail

249/Wise
249-902/Boyd ISD

Category Summary

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

Stratum
Variance
A 35,739,878 0.9573 37,334,042 10 498 .031820572
A 35,503,698 0.9574 37,083,453 9 297 .018299170
A 43,573,380 0.9687 44,981,295 13 253 .009499227
A 60,691,182 0.9846 61,640,445 19 203 .005813803
E 130,356,050 0.8317 156,734,460 17 1,059 .009654781
F1 9,721,920 0.9456 10,281,218 9 86 .003298379
F1 9,453,160 0.8799 10,743,448 8 36 .046871290
F1 9,810,000 0.9031 10,862,584 7 20 .009499235
F1 9,448,340 0.9299 10,160,598 5 11 .039489699
G1 34,036,980 1.0353 32,876,442 10 228 .007369930
G1 34,390,500 0.9962 34,521,682 9 62 .002489696
G1 33,246,930 1.0075 32,999,434 8 33 .001866333
G1 33,852,960 1.0203 33,179,418 7 21 .002889702
L1 8,140,440 0.9638 8,446,192 9 101 .016742289
L1 8,702,010 1.1067 7,863,025 9 21 .028822857
L1 12,662,390 0.7791 16,252,586 3 7 .062755942
Random Totals: 509,329,818   545,960,322 152 2,936  
Catg J Exception Values: 12,752,390   14,348,585      
Catg D1 Exception Values: 2,170,870   2,282,880      
Total Test Values (4): 524,253,078   562,591,787      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 28,129,589

Confidence Interval Values (5)

Local Test Value: 524,253,078 (Outside Confidence Interval)
State Lower Limit: 534,462,198 (State Test Value minus Margin of Error Percent)
State Upper Limit: 590,721,376 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 564,264,598 (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