taxes Property Tax Assistance

2019 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 173,698,006 0.7365 235,842,506 56 3273 0.065301883
A 169,267,708 0.8055 210,139,923 51 1775 0.037546287
A 174,957,195 0.8386 208,630,092 67 1155 0.029962106
A 172,175,701 0.9450 182,196,509 33 618 0.012418080
F1 63,351,639 1.0098 62,736,818 10 453 0.009072537
F1 66,641,794 0.9734 68,462,907 9 164 0.006008941
F1 80,683,152 0.9351 86,282,913 8 52 0.011564573
F1 57,987,188 0.7754 74,783,580 6 12 0.044033697
G1 293,328,452 0.9954 294,683,998 10 110 0.000360667
G1 288,531,119 0.9960 289,689,879 9 45 0.000309091
G1 293,492,978 1.0191 287,992,325 8 26 0.001034237
G1 281,534,864 0.9984 281,986,042 6 13 0.000564932
Random Totals: 2,115,649,796 2,283,427,492 273 7,696
CATG D1 EXCEPTION VALUES: 11,753,565 10,183,478
CATG J EXCEPTION VALUES: 15,689,330 16,442,210
Total Test Values(2) 2,143,092,691 2,310,053,180

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 115,502,659

Confidence Interval Values(5)

Local Test Value: 2,143,092,691 OUTSIDE CONFIDENCE INTERVAL
State Lower Limit: 2,194,550,521 (State Test Value minus Margin of Error Percent)
State Upper Limit: 2,425,555,839 (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