taxes Property Tax Assistance

2019 Confidence Interval Detail

Lubbock County
152-909/Shallowater ISD

Category Summary

(1)
Category 		(1)
Local
Value 		(1)
Stratum
Ratio 		(1)
State
Value 		(2)
Sample
Size 		(3)
Total
Parcels
Stratum
Variance
A 55,993,334 0.9413 59,485,110 12 517 0.027139183
A 66,716,821 0.9918 67,268,422 21 338 0.026773717
A 64,988,377 0.9722 66,846,716 20 226 0.010057734
A 70,675,429 1.0385 68,055,300 10 147 0.005180152
E 52,570,274 1.0015 52,491,537 15 562 0.021519746
F1 4,412,424 0.9204 4,794,029 8 34 0.033663126
F1 6,815,279 1.0159 6,708,612 6 16 0.015350794
F1 4,171,155 0.9674 4,311,717 5 6 0.017078586
F1 6,385,323 0.9990 6,391,715 3 6 0.002815560
G1 19,400,816 1.0284 18,865,049 8 30 0.000375473
Random Totals: 352,129,232 355,218,207 108 1,882
CATG D1 EXCEPTION VALUES: 10,178,071 8,471,723
CATG F1 EXCEPTION VALUES: 6,165,559 5,973,170
CATG G1 EXCEPTION VALUES: 8,284,730 8,231,528
Total Test Values(3) 376,757,592 377,894,628

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 18,894,731

Confidence Interval Values(5)

Local Test Value: 376,757,592 WITHIN CONFIDENCE INTERVAL
State Lower Limit: 358,999,897 (State Test Value minus Margin of Error Percent)
State Upper Limit: 396,789,359 (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