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 0.8345 51,504,415 17 490 0.134248520
A 43,435,660 0.9450 45,963,661 15 235 0.056334021
A 46,817,881 0.9182 50,988,762 21 188 0.045980404
A 50,960,739 0.9630 52,918,732 11 127 0.023768465
E 31,370,768 0.9710 32,307,691 20 662 0.294076355
F1 4,899,411 0.9762 5,018,860 9 47 0.040332169
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 1.0494 4,541,880 2 5 0.007510828
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: 263,939,166 282,653,866 133 1,900
CATG D1 EXCEPTION VALUES: 13,570,993 13,906,003
Total Test Values 277,510,159 296,559,869

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 14,827,993

Confidence Interval Values(5)

Local Test Value: 277,510,159 OUTSIDE CONFIDENCE INTERVAL
State Lower Limit: 281,731,876 (State Test Value minus Margin of Error Percent)
State Upper Limit: 311,387,862 (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