taxes Property Tax Assistance

2021 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 67,024,327 0.9471 70,767,952 11 549 0.111537550
A 70,415,095 0.9848 71,501,924 36 330 0.018228974
A 71,177,401 1.0325 68,936,950 20 237 0.005345478
A 96,819,976 0.9944 97,365,221 17 197 0.016583229
E 55,356,559 0.9718 56,962,913 21 573 0.090351497
F1 7,853,648 0.9598 8,182,588 8 50 0.012297059
F1 7,635,819 0.9390 8,131,863 7 13 0.010756827
F1 7,582,958 0.9784 7,750,366 5 8 0.015534642
F1 6,132,198 1.0150 6,041,291 2 3 0.039958360
G1 7,403,391 1.0435 7,094,769 8 28 0.004781742
Random Totals: 397,401,372 402,735,837 135 1,988
CATG D1 EXCEPTION VALUES: 9,382,074 10,358,439
CATG G1 EXCEPTION VALUES: 10,066,490 9,976,765
Total Test Values 416,849,936 423,071,041

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 21,153,552

Confidence Interval Values(5)

Local Test Value: 416,849,936 WITHIN CONFIDENCE INTERVAL
State Lower Limit: 401,917,489 (State Test Value minus Margin of Error Percent)
State Upper Limit: 444,224,593 (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