taxes Property Tax Assistance

2021 Confidence Interval Detail

Sherman County
211-902/Stratford ISD

Category Summary

(1)
Category 		(1)
Local
Value 		(1)
Stratum
Ratio 		(1)
State
Value 		(2)
Sample
Size 		(3)
Total
Parcels
Stratum
Variance
A 12,689,800 0.8851 14,337,137 15 258 0.085385757
A 12,969,150 0.9695 13,377,153 15 157 0.045036011
A 15,063,200 0.9977 15,097,925 15 128 0.050475895
A 17,850,680 1.0522 16,965,102 17 80 0.046590450
E 21,542,070 1.0511 20,494,786 11 299 0.030330377
G1 11,987,260 0.9884 12,127,944 10 156 0.000499980
G1 11,877,850 0.9998 11,880,226 9 74 0.000381430
G1 11,879,980 1.0042 11,830,293 9 46 0.000223148
G1 11,854,180 0.9857 12,026,154 7 22 0.000031502
L1 3,863,020 1.0140 3,809,684 10 91 0.006534378
L1 4,529,800 0.9789 4,627,439 8 30 0.003823900
L1 4,308,440 0.9757 4,415,743 6 13 0.001283411
Random Totals: 140,415,430 140,989,586 132 1,354
CATG D1 EXCEPTION VALUES: 73,048,572 94,845,797
CATG J EXCEPTION VALUES: 22,355,780 24,049,061
CATG L1 EXCEPTION VALUES: 3,214,210 3,223,642
Total Test Values 239,033,992 263,108,086

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 13,155,404

Confidence Interval Values(5)

Local Test Value: 239,033,992 OUTSIDE CONFIDENCE INTERVAL
State Lower Limit: 249,952,682 (State Test Value minus Margin of Error Percent)
State Upper Limit: 276,263,490 (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