taxes Property Tax Assistance

2023 Confidence Interval Detail

Ellis County
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 395,114,675 0.9676 408,345,055 38 1,602 0.009684961
A 634,358,964 1.0007 633,915,223 68 2,039 0.012390373
A 1,303,180,618 1.0285 1,267,069,147 71 3,508 0.010149208
A 1,804,158,854 1.0222 1,764,976,378 73 3,471 0.023133579
F1 63,454,730 1.1183 56,742,135 10 124 0.040950207
F1 74,507,563 1.0480 71,095,003 9 57 0.021125274
F1 76,025,802 1.1736 64,779,995 8 31 0.066858610
F1 260,830,681 0.8965 290,943,314 5 15 0.287284103
Random Totals: 4,611,631,887 4,557,866,250 282 10,847
CATG D1 EXCEPTION VALUES: 1,350,125 695,544
Total Test Values 4,612,982,012 4,558,561,794

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 227,928,090

Confidence Interval Values(5)

Local Test Value: 4,612,982,012 WITHIN CONFIDENCE INTERVAL
State Lower Limit: 4,330,633,704 (State Test Value minus Margin of Error Percent)
State Upper Limit: 4,786,489,884 (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