taxes Property Tax Assistance

2019 Confidence Interval Detail

Blanco County
016-902/Blanco ISD

Category Summary

(1)
Category 		(1)
Local
Value 		(1)
Stratum
Ratio 		(1)
State
Value 		(2)
Sample
Size 		(3)
Total
Parcels
Stratum
Variance
A 37,108,510 1.0331 35,919,572 10 300 0.032941183
A 42,907,964 1.0356 41,432,951 10 200 0.003488841
A 49,219,397 1.0066 48,896,679 12 138 0.004644274
A 53,897,090 1.0814 49,840,105 11 101 0.008928007
C1 17,609,192 1.4034 12,547,522 14 643 0.063671183
C1 17,758,130 1.1126 15,960,929 14 486 0.086687517
C1 16,483,000 1.0955 15,046,098 18 321 0.081100563
C1 21,616,200 1.0055 21,497,961 14 245 0.013877365
E 504,247,733 0.9757 516,806,122 26 2498 0.024645397
F1 14,625,650 0.8789 16,640,858 13 84 0.037418045
F1 15,727,760 0.9050 17,378,740 9 47 0.020971506
F1 15,776,960 0.8495 18,572,054 7 23 0.097037474
F1 18,023,580 0.8586 20,991,824 4 8 0.017236796
Random Totals: 825,001,166 831,531,415 162 5,094
CATG D1 EXCEPTION VALUES: 10,277,263 10,352,191
Total Test Values(1) 835,278,429 841,883,606

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 42,094,180

Confidence Interval Values(5)

Local Test Value: 835,278,429 WITHIN CONFIDENCE INTERVAL
State Lower Limit: 799,789,426 (State Test Value minus Margin of Error Percent)
State Upper Limit: 883,977,786 (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