taxes Property Tax Assistance

2021 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 134,187,534 0.8172 164,204,031 31 2,419 0.070400471
A 254,515,990 0.8841 287,881,450 69 2,322 0.060550746
A 248,491,058 0.8801 282,344,118 58 1,494 0.038635141
A 262,585,754 0.9284 282,836,874 47 889 0.025936264
F1 62,483,037 1.0343 60,410,942 15 417 0.004497493
F1 68,590,780 1.0036 68,344,739 16 155 0.001912719
F1 76,395,089 0.9737 78,458,549 14 51 0.004072775
F1 74,662,682 0.9984 74,782,334 8 16 0.012103297
G1 249,227,913 0.9848 253,074,648 11 144 0.002065831
G1 247,487,006 0.9751 253,806,795 10 65 0.000553706
G1 249,914,109 0.9783 255,457,538 9 36 0.000100664
G1 246,036,878 0.9758 252,138,633 8 20 0.000713872
L1 17,094,950 1.1257 15,186,062 10 261 0.018984317
L1 22,093,126 0.9226 23,946,592 9 68 0.032101983
L1 18,089,678 0.9805 18,449,442 6 19 0.006331880
L1 17,137,343 0.9395 18,240,919 3 6 0.021949166
Random Totals: 2,248,992,927 2,389,563,666 324 8,382
CATG D1 EXCEPTION VALUES: 9,185,641 9,743,414
CATG J EXCEPTION VALUES: 16,948,380 18,109,949
Total Test Values 2,275,126,948 2,417,417,029

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 120,870,851

Confidence Interval Values(5)

Local Test Value: 2,275,126,948 OUTSIDE CONFIDENCE INTERVAL
State Lower Limit: 2,296,546,178 (State Test Value minus Margin of Error Percent)
State Upper Limit: 2,538,287,880 (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