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School and Appraisal Districts Property Value Study 2015 Report

2015 Confidence Interval Detail
110/Hockley
110-906/Smyer ISD

Category Summary

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

Stratum
Variance
A 9,254,480 0.9207 10,051,569 10 227 .005024050
A 9,890,740 0.9558 10,348,127 13 135 .037297383
A 10,749,800 0.8955 12,004,243 9 95 .032852762
A 10,919,290 0.9816 11,123,971 8 48 .004821192
G1 24,783,451 1.0145 24,429,227 7 24 .003819392
Random Totals: 65,597,761   67,957,137 47 529  
Catg D1 Exception Values: 14,877,430   8,374,629      
Catg G1 Exception Values: 27,896,250   26,974,751      
Total Test Values (4): 108,371,441   103,306,517      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 5,165,325

Confidence Interval Values (5)

State Lower Limit: 98,141,192 (State Test Value minus Margin of Error Percent)
Local Test Value: 108,371,441 (Within Confidence Interval)
State Upper Limit: 108,471,842 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 114,454,963 (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