taxes Property Tax Assistance

2021 Confidence Interval Detail

Lubbock County
152-908/Roosevelt ISD

Category Summary

(1)
Category 		(1)
Local
Value 		(1)
Stratum
Ratio 		(1)
State
Value 		(2)
Sample
Size 		(3)
Total
Parcels
Stratum
Variance
A 42,980,434 0.8459 50,810,301 17 490 0.144820808
A 43,435,660 0.9450 45,963,661 15 235 0.056334021
A 46,817,881 0.9408 49,763,904 21 188 0.031917571
A 50,960,739 0.9723 52,412,567 11 127 0.022848424
E 31,370,768 1.0545 29,749,424 20 662 0.301896010
F1 4,899,411 0.9965 4,916,619 9 47 0.029260691
F1 6,538,051 0.9546 6,848,995 7 22 0.012110937
F1 4,659,265 1.0116 4,605,837 5 8 0.001195710
F1 4,766,098 1.0643 4,478,349 2 5 0.003272306
G1 14,041,777 1.0006 14,033,357 9 46 0.000389784
L1 3,742,173 0.9848 3,799,932 9 56 0.001363930
L1 3,610,793 0.9869 3,658,722 5 9 0.000439550
L1 2,997,002 0.9201 3,257,428 2 3 0.000073138
L1 3,119,114 0.9730 3,205,594 1 2 0.000000000
Random Totals: 263,939,166 277,504,690 133 1,900
CATG D1 EXCEPTION VALUES: 13,570,993 13,903,939
Total Test Values 277,510,159 291,408,629

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 14,570,431

Confidence Interval Values(5)

Local Test Value: 277,510,159 WITHIN CONFIDENCE INTERVAL
State Lower Limit: 276,838,198 (State Test Value minus Margin of Error Percent)
State Upper Limit: 305,979,060 (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