taxes Property Tax Assistance

2016 Confidence Interval Detail

070/Ellis
070-911/Red Oak ISD

Category Summary

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

Stratum
Variance
A 216,847,316 0.9321 232,643,832 36 1,911 .007391349
A 265,155,786 0.9305 284,960,544 63 1,808 .006941948
A 372,881,558 0.9724 383,465,197 111 2,029 .003628693
A 392,965,891 0.9827 399,883,882 83 1,426 .004149244
F1 27,512,902 0.9241 29,772,646 11 116 .034337952
F1 24,575,102 0.8696 28,260,237 9 37 .017828043
F1 30,940,580 0.8377 36,935,156 7 22 .015420524
Random Totals: 1,330,879,135   1,395,921,494 320 7,349  
Catg D1 Exception Values: 2,294,390   1,729,819      
Catg F1 Exception Values: 32,848,980   36,279,219      
Total Test Values (4): 1,366,022,505   1,433,930,532      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 71,696,526

Confidence Interval Values (5)

State Lower Limit: 1,362,234,006 (State Test Value minus Margin of Error Percent)
Local Test Value: 1,366,022,505 (Within Confidence Interval)
State Upper Limit: 1,505,627,058 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 1,490,766,885 (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, D3, 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