taxes Property Tax

School and Appraisal Districts Property Value Study 2015 Report

2015 Confidence Interval Detail
152/Lubbock
152-901/Lubbock ISD

Category Summary

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

Stratum
Variance
A 1,213,198,841 0.9689 1,252,140,408 149 17,384 .016160893
A 1,273,130,809 0.9800 1,299,113,070 150 11,562 .009421210
A 1,384,023,273 0.9730 1,422,428,852 150 9,083 .014836981
A 1,430,509,415 0.9928 1,440,883,778 150 4,781 .011668573
B 247,490,481 0.9697 255,223,761 28 1,683 .017709963
B 235,205,978 0.9300 252,909,654 9 98 .014241380
B 295,282,769 0.9528 309,910,547 6 21 .009071131
B 188,426,447 0.9699 194,274,097 4 7 .007653626
F1 563,150,893 0.9361 601,592,664 36 1,752 .058474777
F1 579,401,013 0.8495 682,049,456 10 486 .027627095
F1 569,296,166 0.8270 688,387,141 9 173 .071733163
F1 606,839,912 0.9393 646,055,480 8 50 .015255984
L1 264,674,853 0.9935 266,406,495 10 1,711 .000453898
L1 279,930,838 1.0218 273,958,542 10 302 .003346658
L1 335,600,882 0.9847 340,815,357 10 96 .005489058
L1 245,968,120 1.0352 237,604,444 7 17 .010635294
Random Totals: 9,712,130,690   10,163,753,746 746 49,206  
Catg D1 Exception Values: 2,392,886   2,032,801      
Total Test Values (4): 9,714,523,576   10,165,786,547      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 508,289,327

Confidence Interval Values (5)

State Lower Limit: 9,657,497,220 (State Test Value minus Margin of Error Percent)
Local Test Value: 9,714,523,576 (Within Confidence Interval)
State Upper Limit: 10,674,075,874 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 9,618,203,237 (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, D3, 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