taxes Property Tax Assistance

2019 Confidence Interval Detail

Blanco County
016-901/Johnson City ISD

Category Summary

(1)
Category 		(1)
Local
Value 		(1)
Stratum
Ratio 		(1)
State
Value 		(2)
Sample
Size 		(3)
Total
Parcels
Stratum
Variance
A 19,862,640 0.9489 20,932,279 10 185 0.064232932
A 25,926,580 1.0358 25,030,489 11 153 0.019140990
A 27,441,680 1.0294 26,657,937 13 114 0.013458567
A 31,702,581 0.9775 32,432,308 9 84 0.012977449
E 560,119,671 1.0145 552,114,018 24 2672 0.002933476
F1 13,906,642 0.8782 15,835,393 11 87 0.071103990
F1 16,032,080 0.9368 17,113,664 9 49 0.019467176
F1 18,263,970 0.6814 26,803,596 7 27 0.301000470
F1 19,647,660 0.9539 20,597,190 5 11 0.003994678
L1 13,347,760 1.0371 12,870,273 8 58 0.003290807
L1 18,248,120 1.0183 17,920,181 5 10 0.003280392
L1 15,550,720 1.0724 14,501,245 1 2 0.000000000
Random Totals: 780,050,104 782,808,573 113 3,452
CATG D1 EXCEPTION VALUES: 28,103,648 28,286,368
CATG L1 EXCEPTION VALUES: 13,046,910 12,868,355
Total Test Values(2) 821,200,662 823,963,296

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 41,198,165

Confidence Interval Values(5)

Local Test Value: 821,200,662 WITHIN CONFIDENCE INTERVAL
State Lower Limit: 782,765,131 (State Test Value minus Margin of Error Percent)
State Upper Limit: 865,161,461 (State Test Value plus Margin of Error Percent)

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