taxes Property Tax Assistance

2020 Confidence Interval Detail

Ellis County
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 930,595,643 0.9713 958,092,910 98 4,442 0.008065349
A 891,467,577 0.9820 907,808,123 98 3,071 0.006505559
A 1,037,824,006 0.9951 1,042,934,384 98 2,860 0.003815322
A 1,182,903,888 1.0001 1,182,785,609 99 2,460 0.007421800
F1 108,522,313 1.0466 103,690,343 10 210 0.028213905
F1 110,600,671 1.0956 100,949,864 9 62 0.012991854
F1 76,829,434 1.0470 73,380,548 7 17 0.059592679
F1 85,155,320 0.9511 89,538,212 3 7 0.005960972
Random Totals: 4,423,898,852 4,459,179,993 422 13,129
CATG D1 EXCEPTION VALUES: 4,802,055 1,398,035
Total Test Values 4,428,700,907 4,460,578,028

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 223,028,901

Confidence Interval Values(5)

Local Test Value: 4,428,700,907 WITHIN CONFIDENCE INTERVAL
State Lower Limit: 4,237,549,127 (State Test Value minus Margin of Error Percent)
State Upper Limit: 4,683,606,929 (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