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 3292 0.006030403
A 770,204,160 0.9649 798,221,743 99 3111 0.007337781
A 765,429,493 0.9741 785,781,227 104 2395 0.007234114
A 1,050,501,977 0.9846 1,066,932,741 92 2436 0.007140163
F1 71,858,553 0.8063 89,121,361 10 183 0.011819200
F1 76,507,786 0.7213 106,069,300 9 53 0.045399629
F1 77,252,778 0.6693 115,423,245 5 11 0.111946576
L1 46,608,581 1.0022 46,506,267 10 170 0.015440393
L1 46,816,680 1.0279 45,545,948 8 23 0.013039478
L1 33,135,540 0.9246 35,837,703 3 3 0.009084928
Random Totals: 3,514,396,733 3,695,139,446 450 11,677
CATG D1 EXCEPTION VALUES: 5,176,044 2,535,489
CATG F1 EXCEPTION VALUES: 64,638,380 74,583,488
CATG L1 EXCEPTION VALUES: 53,550,110 54,159,620
Total Test Values(3) 3,637,761,267 3,826,418,043

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 191,320,902

Confidence Interval Values(5)

Local Test Value: 3,637,761,267 WITHIN CONFIDENCE INTERVAL
State Lower Limit: 3,635,097,141 (State Test Value minus Margin of Error Percent)
State Upper Limit: 4,017,738,945 (State Test Value plus Margin of Error Percent)

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