taxes Property Tax

School and Appraisal Districts Property Value Study 2015 Report

2015 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 44,167,771 0.9614 45,941,097 12 580 .022466556
A 43,162,878 0.9810 43,998,856 10 283 .034982243
A 47,914,652 0.9319 51,416,088 9 206 .011918587
A 47,160,830 0.9705 48,594,364 9 130 .010703326
E 21,958,401 0.9109 24,106,270 10 309 .071769153
G1 16,319,397 0.9678 16,862,365 8 34 .018367043
Random Totals: 220,683,929   230,919,040 58 1,542  
Catg D1 Exception Values: 8,363,083   7,114,123      
Catg G1 Exception Values: 18,656,844   16,703,725      
Total Test Values (4): 247,703,856   254,736,888      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 12,736,844

Confidence Interval Values (5)

State Lower Limit: 242,000,044 (State Test Value minus Margin of Error Percent)
Local Test Value: 247,703,856 (Within Confidence Interval)
State Upper Limit: 267,473,732 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 270,652,724 (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