taxes Property Tax Assistance

2018 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 576,081,185 0.9511 605,699,911 110 3,292 .006030403
A 770,204,160 0.9649 798,221,743 99 3,111 .007337781
A 765,429,493 0.9741 785,781,227 104 2,395 .007234114
A 1,050,501,977 0.9846 1,066,932,741 92 2,436 .007140163
F1 71,858,553 0.8063 89,121,361 10 183 .011819200
F1 76,507,786 0.7213 106,069,300 9 53 .045399629
F1 77,252,778 0.6693 115,423,245 5 11 .111946576
L1 46,608,581 1.0022 46,506,267 10 170 .015440393
L1 46,816,680 1.0279 45,545,948 8 23 .013039478
L1 33,135,540 0.9246 35,837,703 3 3 .009084928
Random Totals: 3,514,396,733   3,695,139,446 450 11,677  
Catg D1 Exception Values: 5,130,184   2,505,535      
Catg F1 Exception Values: 64,638,380   74,583,488      
Catg L1 Exception Values: 53,550,110   54,159,620      
Total Test Values (4): 3,637,715,407   3,826,388,089      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 191,319,404

Confidence Interval Values (5)

State Lower Limit: 3,635,068,685 (State Test Value minus Margin of Error Percent)
Local Test Value: 3,637,715,407 (Within Confidence Interval)
State Upper Limit: 4,017,707,493 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 4,213,081,691 (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