taxes Property Tax

School and Appraisal Districts Property Value Study 2013 Report

2013 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 1,260,952,471 1.0182 1,238,413,348 150 18,237 .020674075
A 1,251,096,712 0.9963 1,255,742,961 150 11,686 .010656488
A 1,252,350,955 0.9872 1,268,588,893 150 8,467 .009000374
A 1,268,607,241 0.9672 1,311,628,661 125 4,287 .011234169
B 224,866,052 0.9924 226,588,122 11 1,704 .012914553
B 231,960,077 0.7908 293,323,314 10 125 .058608953
B 192,945,462 1.0211 188,958,439 7 19 .005937148
B 264,561,840 0.9190 287,880,131 6 10 .039385144
F1 523,065,241 0.9527 549,034,576 25 1,751 .041754989
F1 553,526,472 0.9578 577,914,462 11 496 .032479069
F1 545,483,679 0.9306 586,163,420 9 168 .082298497
F1 584,005,791 1.0185 573,397,929 9 47 .020165876
L1 245,309,531 1.0048 244,137,670 10 1,696 .011884984
L1 264,516,404 0.9951 265,818,917 10 291 .001105617
L1 271,160,526 0.9759 277,856,877 9 85 .002577295
L1 246,390,680 1.0003 246,316,785 7 20 .000325045
Random Totals: 9,180,799,134   9,391,764,505 699 49,089  
Catg D1 Exception Values: 2,905,565   2,556,372      
Total Test Values (4): 9,183,704,699   9,394,320,877      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 469,716,044

Confidence Interval Values (5)

State Lower Limit: 8,924,604,833 (State Test Value minus Margin of Error Percent)
Local Test Value: 9,183,704,699 (Within Confidence Interval)
State Upper Limit: 9,864,036,921 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 9,309,217,575 (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