taxes Property Tax Assistance

2019 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 38,131,664 0.9451 40,346,698 15 494 0.115423906
A 38,892,667 0.9437 41,212,956 16 230 0.012475314
A 48,092,153 1.1072 43,435,832 15 209 0.046946628
A 48,097,625 1.0261 46,874,208 15 128 0.015701574
E 31,316,470 0.9529 32,864,382 20 679 0.075582532
F1 3,229,978 0.7644 4,225,508 8 41 0.108965446
F1 3,394,093 1.0093 3,362,819 7 20 0.014876188
F1 4,218,861 1.0068 4,190,367 5 11 0.009935181
F1 5,067,481 1.0709 4,731,983 3 7 0.001023104
G1 21,547,642 0.9997 21,554,108 9 47 0.000244328
Random Totals: 241,988,634 242,798,861 113 1,866
CATG D1 EXCEPTION VALUES: 16,473,201 12,896,548
CATG F1 EXCEPTION VALUES: 4,744,902 4,742,920
Total Test Values(2) 263,206,737 260,438,329

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 13,021,916

Confidence Interval Values(5)

Local Test Value: 263,206,737 WITHIN CONFIDENCE INTERVAL
State Lower Limit: 247,416,413 (State Test Value minus Margin of Error Percent)
State Upper Limit: 273,460,245 (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