taxes Property Tax Assistance

2017 Confidence Interval Detail

152/Lubbock
152-909/Shallowater ISD

Category Summary

(1)
Category
(1)
Local
Value
(1)
Stratum
Ratio
(1)
State
Value
(2)
Sample
Size
(3)
Total
Parcels

Stratum
Variance
A 48,546,644 0.9463 51,301,537 15 562 .009861873
A 47,672,633 0.9524 50,055,264 18 286 .012093221
A 50,624,295 0.9500 53,288,732 20 207 .013895318
A 61,957,952 0.9911 62,514,330 16 164 .007566684
E 28,515,689 0.8061 35,374,878 11 349 .041577840
F1 4,850,430 0.9024 5,375,033 7 39 .030730746
F1 3,531,433 1.0050 3,513,864 5 9 .033270385
F1 4,379,912 1.1441 3,828,260 5 7 .046947910
F1 6,380,773 0.9201 6,934,869 4 7 .018112797
G1 14,019,652 1.0167 13,789,370 8 35 .003171512
Random Totals: 270,479,413   285,976,137 109 1,665  
Catg D1 Exception Values: 5,903,358   5,292,648      
Catg F1 Exception Values: 6,166,459   6,110,702      
Catg G1 Exception Values: 7,330,025   7,412,060      
Total Test Values (4): 289,879,255   304,791,547      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 15,239,577

Confidence Interval Values (5)

State Lower Limit: 289,551,970 (State Test Value minus Margin of Error Percent)
Local Test Value: 289,879,255 (Within Confidence Interval)
State Upper Limit: 320,031,124 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 290,186,460 (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