taxes Property Tax

School and Appraisal Districts Property Value Study 2014 Report

2014 Confidence Interval Detail
076/Fisher
076-903/Roby ISD

Category Summary

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

Stratum
Variance
A 789,480 0.7274 1,085,345 9 50 .036004757
A 1,416,760 0.8164 1,735,375 8 49 .031398943
A 1,438,070 0.8984 1,600,701 8 35 .026130006
A 5,820,030 0.8975 6,484,713 7 92 .025071871
E 22,184,180 0.7768 28,558,419 20 502 .139990169
G1 6,300,330 0.9922 6,349,859 13 18 .036497751
Random Totals: 37,948,850   45,814,412 65 746  
Catg J Exception Values: 1,707,750   1,650,723      
Catg D1 Exception Values: 18,042,240   15,768,785      
Catg G1 Exception Values: 25,659,237   25,090,206      
Total Test Values (4): 83,358,077   88,324,126      

Margin of Error

Margin of Error Percent: 5.3926047
Margin of Error Value: 4,762,971

Confidence Interval Values (5)

Local Test Value: 83,358,077 (Outside Confidence Interval)
State Lower Limit: 83,561,155 (State Test Value minus Margin of Error Percent)
State Upper Limit: 93,087,097 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 110,444,730 (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