taxes Property Tax Assistance

2016 Confidence Interval Detail

070/Ellis
070-908/Midlothian ISD

Category Summary

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

Stratum
Variance
A 441,611,909 0.9853 448,200,456 117 3,105 .001923504
A 574,002,256 0.9746 588,961,888 141 2,823 .003379036
A 609,544,572 0.9899 615,763,786 143 2,251 .002078763
A 761,780,379 0.9887 770,486,881 126 2,019 .001281730
F1 59,693,858 0.8772 68,050,454 9 164 .037719927
F1 58,834,178 0.9161 64,222,441 8 43 .009098071
L1 36,084,124 1.0463 34,487,359 9 164 .035686675
L1 28,280,990 1.0966 25,789,705 7 21 .014008231
L1 36,090,050 1.0322 34,964,203 3 7 .003424442
Random Totals: 2,605,922,316   2,650,927,173 563 10,597  
Catg D1 Exception Values: 5,716,700   3,360,798      
Catg F1 Exception Values: 121,282,890   122,333,286      
Catg L1 Exception Values: 38,855,840   39,418,686      
Total Test Values (4): 2,771,777,746   2,816,039,943      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 140,801,997

Confidence Interval Values (5)

State Lower Limit: 2,675,237,946 (State Test Value minus Margin of Error Percent)
Local Test Value: 2,771,777,746 (Within Confidence Interval)
State Upper Limit: 2,956,841,940 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 3,466,925,920 (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