taxes Property Tax Assistance

2021 Confidence Interval Detail

Lubbock County
152-910/Idalou ISD

Category Summary

(1)
Category 		(1)
Local
Value 		(1)
Stratum
Ratio 		(1)
State
Value 		(2)
Sample
Size 		(3)
Total
Parcels
Stratum
Variance
A 33,187,488 0.9409 35,272,067 16 345 0.068025217
A 31,298,736 1.0731 29,166,654 20 198 0.034585569
A 46,579,699 0.9003 51,737,975 17 213 0.029599693
A 63,111,781 1.0293 61,315,244 17 173 0.028625862
E 58,183,486 0.8140 71,478,484 20 430 0.271681355
F1 5,008,892 1.0217 4,902,508 9 48 0.007771290
F1 5,873,121 0.9778 6,006,465 6 15 0.001767409
F1 4,954,049 1.0181 4,865,975 4 6 0.083114166
F1 4,506,822 0.9841 4,579,457 3 6 0.003122129
L1 13,764,532 0.9724 14,155,216 9 63 0.001731074
L1 18,546,416 1.0118 18,330,121 7 15 0.000710824
L1 17,086,321 1.0227 16,707,070 4 6 0.001892575
Random Totals: 302,101,343 318,517,236 132 1,518
CATG D1 EXCEPTION VALUES: 19,665,537 18,944,155
CATG L1 EXCEPTION VALUES: 12,168,070 11,719,251
Total Test Values 333,934,950 349,180,642

Margin of Error

Margin of Error Percent: 5.1479166
Margin of Error Value: 17,975,528

Confidence Interval Values(5)

Local Test Value: 333,934,950 WITHIN CONFIDENCE INTERVAL
State Lower Limit: 331,205,114 (State Test Value minus Margin of Error Percent)
State Upper Limit: 367,156,170 (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