taxes Property Tax Assistance

2021 Confidence Interval Detail

Tarrant County
220-908/Mansfield ISD

Category Summary

(1)
Category 		(1)
Local
Value 		(1)
Stratum
Ratio 		(1)
State
Value 		(2)
Sample
Size 		(3)
Total
Parcels
Stratum
Variance
A 2,220,326,033 0.9368 2,370,117,456 195 10,648 0.009568248
A 3,315,177,343 0.9660 3,431,860,604 203 12,551 0.005406097
A 3,568,827,959 0.9851 3,622,807,795 198 11,010 0.005817809
A 3,976,892,430 0.9826 4,047,315,724 202 8,748 0.005146067
B 940,956,596 0.9207 1,022,001,299 9 29 0.004514071
F1 522,192,722 0.8311 628,315,151 12 543 0.126235221
F1 495,434,231 1.0634 465,896,399 11 195 0.100751361
F1 443,880,631 0.8667 512,150,261 11 72 0.092224515
F1 408,201,197 0.9920 411,493,142 8 23 0.086664991
L1 176,085,735 1.0368 169,835,778 14 679 0.004597345
L1 177,155,368 1.0461 169,348,406 13 86 0.009348317
L1 183,037,993 0.9519 192,286,998 8 17 0.015310867
Random Totals: 16,428,168,238 17,043,429,013 884 44,601
CATG D1 EXCEPTION VALUES: 651,757 530,736
CATG L1 EXCEPTION VALUES: 891,137,855 891,137,855
Total Test Values 17,319,957,850 17,935,097,604

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 896,754,880

Confidence Interval Values(5)

Local Test Value: 17,319,957,850 WITHIN CONFIDENCE INTERVAL
State Lower Limit: 17,038,342,724 (State Test Value minus Margin of Error Percent)
State Upper Limit: 18,831,852,484 (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