taxes Property Tax Assistance

2019 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 2,024,852,448 0.9780 2,070,401,276 148 10607 0.006314883
A 3,171,011,349 1.0098 3,140,237,026 150 12935 0.003790338
A 3,182,758,531 1.0050 3,166,923,911 150 10381 0.003870843
A 3,406,565,330 1.0051 3,389,280,002 149 7785 0.010591308
B 226,748,806 0.9206 246,305,459 33 727 0.035581893
B 239,680,000 0.9469 253,120,710 5 6 0.025925550
B 154,850,000 0.9611 161,117,663 3 6 0.003590533
F1 382,556,128 0.7419 515,643,790 11 475 0.098731097
F1 410,384,029 0.8335 492,362,362 10 193 0.095057857
F1 442,775,214 0.8447 524,180,436 11 86 0.028173282
F1 456,714,696 0.8248 553,727,808 8 29 0.017115820
L1 91,210,271 1.0410 87,617,936 11 392 0.007562269
L1 114,116,332 1.0057 113,469,556 10 67 0.005702551
L1 139,295,199 0.9896 140,759,094 7 18 0.002005132
L1 56,248,586 0.9432 59,636,619 2 3 0.004330475
Random Totals: 14,499,766,919 14,914,783,648 708 43,710
CATG B EXCEPTION VALUES: 119,943,860 122,360,715
CATG D1 EXCEPTION VALUES: 760,327 432,197
Total Test Values(2) 14,620,471,106 15,037,576,560

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 751,878,828

Confidence Interval Values(5)

Local Test Value: 14,620,471,106 WITHIN CONFIDENCE INTERVAL
State Lower Limit: 14,285,697,732 (State Test Value minus Margin of Error Percent)
State Upper Limit: 15,789,455,388 (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