taxes Property Tax

School and Appraisal Districts Property Value Study 2013 Report

2013 Confidence Interval Detail
152/Lubbock
152-906/Lubbock-Cooper ISD

Category Summary

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

Stratum
Variance
A 369,719,648 1.0069 367,186,064 94 2,764 .003695372
A 356,606,346 0.9738 366,200,807 75 1,777 .005693603
A 366,252,745 0.9838 372,283,742 39 1,224 .006938468
A 379,046,472 0.9775 387,771,327 27 710 .012954824
F1 44,199,882 0.9704 45,548,106 12 204 .027241254
F1 45,476,349 0.8929 50,931,066 10 65 .097345896
F1 43,846,109 1.0415 42,099,000 9 27 .009377379
F1 49,601,329 1.0013 49,536,931 6 11 .006459775
Random Totals: 1,654,748,880   1,681,557,043 272 6,782  
Catg D1 Exception Values: 17,504,682   15,330,481      
Total Test Values (4): 1,672,253,562   1,696,887,524      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 84,844,376

Confidence Interval Values (5)

State Lower Limit: 1,612,043,148 (State Test Value minus Margin of Error Percent)
Local Test Value: 1,672,253,562 (Within Confidence Interval)
State Upper Limit: 1,781,731,900 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 1,850,077,755 (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