taxes Property Tax Assistance

2021 Confidence Interval Detail

Tarrant County
220-907/Keller ISD

Category Summary

(1)
Category 		(1)
Local
Value 		(1)
Stratum
Ratio 		(1)
State
Value 		(2)
Sample
Size 		(3)
Total
Parcels
Stratum
Variance
A 3,816,673,013 0.9591 3,979,431,772 242 17,391 0.006376173
A 4,755,602,097 0.9822 4,841,785,886 253 16,034 0.005194911
A 4,798,810,243 0.9588 5,005,016,941 251 11,413 0.009892839
A 4,728,567,293 0.9773 4,838,398,949 251 5,983 0.032634865
B 1,402,227,754 0.8556 1,638,882,368 9 34 0.004430894
C1 61,274,603 0.7135 85,878,911 14 338 0.085327172
C1 61,597,370 0.7143 86,234,593 11 125 0.057846863
C1 55,576,989 0.7403 75,073,604 9 55 0.108961904
C1 47,257,400 0.9180 51,478,649 8 17 0.012691863
F1 708,477,144 0.9300 761,803,381 16 506 0.018612520
F1 689,034,831 0.9231 746,435,739 12 178 0.032639051
F1 644,864,757 0.9497 679,019,435 11 56 0.047471144
F1 521,525,636 0.7451 699,940,459 7 10 0.166511583
L1 163,567,030 1.0356 157,944,216 11 1,007 0.006744362
L1 154,355,055 1.0030 153,893,375 10 128 0.002554553
L1 160,258,653 1.0800 148,387,642 9 24 0.007534285
L1 185,306,992 1.0310 179,740,856 3 4 0.001287854
Random Totals: 22,954,976,860 24,129,346,776 1,127 53,303
CATG D1 EXCEPTION VALUES: 269,207 223,918
Total Test Values 22,955,246,067 24,129,570,694

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 1,206,478,535

Confidence Interval Values(5)

Local Test Value: 22,955,246,067 WITHIN CONFIDENCE INTERVAL
State Lower Limit: 22,923,092,159 (State Test Value minus Margin of Error Percent)
State Upper Limit: 25,336,049,229 (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