taxes Property Tax Assistance

2017 Confidence Interval Detail

102/Harrison
102-901/Karnack ISD

Category Summary

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

Stratum
Variance
A 12,652,210 1.0721 11,801,334 11 213 .048659427
A 13,703,310 0.7998 17,133,421 10 110 .084970659
A 13,713,420 1.1521 11,902,977 10 76 .070414278
A 14,108,290 1.0986 12,842,063 7 51 .029890942
E 106,486,770 1.0866 97,999,972 19 2,020 .038276222
G1 3,868,020 0.9800 3,946,959 9 72 .012114278
G1 4,076,060 0.9822 4,149,929 5 11 .005942629
G1 3,934,980 1.0051 3,915,013 3 5 .004118718
Random Totals: 172,543,060   163,691,668 74 2,558  
Catg J Exception Values: 143,070   148,556      
Catg D1 Exception Values: 8,475,460   8,390,567      
Catg G1 Exception Values: 3,338,700   3,357,653      
Total Test Values (4): 184,500,290   175,588,444      

Margin of Error

Margin of Error Percent: 5.5112516
Margin of Error Value: 9,677,121

Confidence Interval Values (5)

State Lower Limit: 165,911,323 (State Test Value minus Margin of Error Percent)
Local Test Value: 184,500,290 (Within Confidence Interval)
State Upper Limit: 185,265,565 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 205,205,789 (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