taxes Property Tax Assistance

2017 Confidence Interval Detail

140/Lamb
140-904/Littlefield ISD

Category Summary

(1)
Category		 (1)
Local
Value		 (1)
Stratum
Ratio		 (1)
State
Value		 (2)
Sample
Size		 (3)
Total
Parcels
Stratum
Variance
A 24,335,820 0.8212 29,634,462 10 992 .182085329
A 24,193,330 0.9331 25,927,907 9 392 .023058977
A 22,800,470 0.9924 22,975,081 10 225 .010060032
A 30,163,410 1.0189 29,603,896 11 190 .038157423
E 15,919,919 0.8706 18,286,146 11 396 .083083434
F1 6,012,760 0.8941 6,724,930 10 156 .103810406
F1 6,011,530 1.0271 5,852,916 9 26 .079227155
F1 5,854,540 0.9705 6,032,499 8 9 .029000595
L1 3,705,940 1.0116 3,663,444 8 54 .001532899
L1 3,293,130 1.0142 3,247,022 6 14 .003549605
L1 1,125,700 1.0222 1,101,252 2 2 .000754053
L1 5,423,300 0.9604 5,646,918 2 6 .000715267
Random Totals: 148,839,849   158,696,473 96 2,462  
Catg J Exception Values: 7,082,840   8,826,090      
Catg D1 Exception Values: 17,959,228   14,766,119      
Catg F1 Exception Values: 4,087,040   3,918,643      
Total Test Values (4): 177,968,957   186,207,325      

Margin of Error

Margin of Error Percent: 5.2228627
Margin of Error Value: 9,725,353

Confidence Interval Values (5)

State Lower Limit: 176,481,972 (State Test Value minus Margin of Error Percent)
Local Test Value: 177,968,957 (Within Confidence Interval)
State Upper Limit: 195,932,678 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 191,117,979 (See ISD Summary Worksheet)

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
(6) Includes local value of unstudied property categories and sub-categories