taxes Property Tax Assistance

2020 Confidence Interval Detail

Terrell County
222-901/Terrell County ISD

Category Summary

(1)
Category 		(1)
Local
Value 		(1)
Stratum
Ratio 		(1)
State
Value 		(2)
Sample
Size 		(3)
Total
Parcels
Stratum
Variance
A 5,342,085 0.8690 6,147,394 10 210 0.039184631
A 5,672,714 0.9482 5,982,613 10 103 0.025775978
A 5,368,330 0.9829 5,461,726 10 65 0.004804121
A 5,344,192 0.9693 5,513,455 10 41 0.006731830
G1 3,917,771 0.9006 4,350,179 10 274 0.056632842
G1 3,921,603 1.0211 3,840,567 9 52 0.003693959
G1 4,087,341 1.0589 3,859,988 7 20 0.006300395
G1 3,631,348 0.9948 3,650,330 4 5 0.000333018
Random Totals: 37,285,384 38,806,252 70 770
CATG D1 EXCEPTION VALUES: 15,674,293 16,594,906
CATG J EXCEPTION VALUES: 7,349,070 8,933,402
Total Test Values 60,308,747 64,334,560

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 3,216,728

Confidence Interval Values(5)

Local Test Value: 60,308,747 OUTSIDE CONFIDENCE INTERVAL
State Lower Limit: 61,117,832 (State Test Value minus Margin of Error Percent)
State Upper Limit: 67,551,288 (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