taxes Property Tax Assistance

2020 Confidence Interval Detail

Howard County
114-901/Big Spring ISD

Category Summary

(1)
Category 		(1)
Local
Value 		(1)
Stratum
Ratio 		(1)
State
Value 		(2)
Sample
Size 		(3)
Total
Parcels
Stratum
Variance
A 164,207,329 0.8197 200,326,130 20 3,127 0.037296291
A 173,699,960 0.8062 215,455,172 43 1,831 0.022405564
A 203,363,802 0.8448 240,724,197 67 1,320 0.019704326
A 219,293,966 0.9328 235,092,159 48 781 0.018579957
F1 69,062,257 1.0352 66,713,927 10 476 0.017020495
F1 71,852,291 1.0433 68,870,211 10 165 0.003276861
F1 72,019,768 1.0688 67,383,765 9 46 0.002606978
F1 64,743,380 0.7866 82,307,882 6 14 0.084325428
G1 243,985,364 0.9830 248,204,846 10 120 0.001798228
G1 246,470,831 0.9149 269,396,471 9 51 0.052240059
G1 247,784,663 0.9720 254,922,493 8 28 0.001323042
G1 230,701,947 0.9758 236,423,393 6 13 0.002875927
Random Totals: 2,007,185,558 2,185,820,646 246 7,972
CATG D1 EXCEPTION VALUES: 9,094,747 7,901,022
CATG J EXCEPTION VALUES: 64,740,470 68,146,059
Total Test Values 2,081,020,775 2,261,867,727

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 113,093,386

Confidence Interval Values(5)

Local Test Value: 2,081,020,775 OUTSIDE CONFIDENCE INTERVAL
State Lower Limit: 2,148,774,341 (State Test Value minus Margin of Error Percent)
State Upper Limit: 2,374,961,113 (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