taxes Property Tax

School and Appraisal Districts Property Value Study 2013 Report

2013 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 29,241,584 0.9304 31,429,046 10 523 .100867479
A 39,909,865 0.9934 40,175,020 17 330 .003770213
A 37,637,808 0.9418 39,963,695 12 198 .008201489
A 60,583,637 0.9716 62,354,505 9 194 .005247165
G1 29,485,732 0.9807 30,066,006 8 33 .010235425
Random Totals: 196,858,626   203,988,272 56 1,278  
Catg D1 Exception Values: 13,095,494   11,464,996      
Catg G1 Exception Values: 31,754,229   30,325,824      
Total Test Values (4): 241,708,349   245,779,092      

Margin of Error

Margin of Error Percent: 5.0000002
Margin of Error Value: 12,288,955

Confidence Interval Values (5)

State Lower Limit: 233,490,137 (State Test Value minus Margin of Error Percent)
Local Test Value: 241,708,349 (Within Confidence Interval)
State Upper Limit: 258,068,047 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 279,796,054 (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