taxes Property Tax Assistance

2017 Confidence Interval Detail

187/Polk
187-907/Livingston ISD

Category Summary

(1)
Category		 (1)
Local
Value		 (1)
Stratum
Ratio		 (1)
State
Value		 (2)
Sample
Size		 (3)
Total
Parcels
Stratum
Variance
A 236,045,755 0.9846 239,737,716 60 3,733 .073813651
A 251,900,158 0.9506 264,990,699 53 1,943 .043006325
A 253,180,914 0.9194 275,376,239 34 1,103 .030076533
A 280,115,048 0.9820 285,249,540 26 592 .026119162
E 158,996,498 1.0053 158,158,259 20 1,537 .089853473
F1 58,462,858 0.9169 63,761,433 10 330 .060687507
F1 60,688,212 0.8780 69,120,970 10 96 .124398323
F1 60,169,157 1.1182 53,808,940 8 36 .005298615
F1 52,510,467 0.9983 52,599,887 6 12 .018181253
Random Totals: 1,412,069,067   1,462,803,683 227 9,382  
Catg J Exception Values: 32,800,120   27,216,344      
Catg D1 Exception Values: 32,317,626   32,574,589      
Total Test Values (4): 1,477,186,813   1,522,594,616      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 76,129,730

Confidence Interval Values (5)

State Lower Limit: 1,446,464,886 (State Test Value minus Margin of Error Percent)
Local Test Value: 1,477,186,813 (Within Confidence Interval)
State Upper Limit: 1,598,724,346 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 1,548,215,732 (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