taxes Property Tax

School and Appraisal Districts Property Value Study 2014 Report

2014 Confidence Interval Detail
084/Galveston
084-909/Santa Fe ISD

Category Summary

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

Stratum
Variance
A 217,822,052 0.8272 263,324,531 39 2,637 .058311318
A 230,776,029 0.8657 266,577,370 55 1,808 .022664060
A 258,370,550 0.8183 315,740,621 37 1,545 .034632354
A 282,336,050 0.8792 321,128,355 39 1,076 .013246394
Random Totals: 989,304,681   1,166,770,877 170 7,066  
Catg D1 Exception Values: 1,790,224   2,114,797      
Total Test Values (4): 991,094,905   1,168,885,674      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 58,444,284

Confidence Interval Values (5)

Local Test Value: 991,094,905 (Outside Confidence Interval)
State Lower Limit: 1,110,441,390 (State Test Value minus Margin of Error Percent)
State Upper Limit: 1,227,329,958 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 1,233,799,505 (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