taxes Property Tax

School and Appraisal Districts Property Value Study 2013 Report

2013 Confidence Interval Detail
138/Knox
138-904/Benjamin ISD

Category Summary

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

Stratum
Variance
A 644,250 0.7891 816,436 11 46 .063686392
A 641,610 0.8870 723,348 7 26 .035173947
A 753,630 0.8451 891,764 8 21 .037327250
A 701,290 0.9975 703,048 8 11 .046280813
E 2,691,060 0.8469 3,177,542 17 131 .104455263
G1 1,638,070 1.0254 1,597,494 7 17 .051125773
Random Totals: 7,069,910   7,909,632 58 252  
Catg J Exception Values: 1,629,620   1,855,554      
Catg D1 Exception Values: 15,470,820   12,753,480      
Catg G1 Exception Values: 1,196,480   1,154,216      
Total Test Values (4): 25,366,830   23,672,882      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 1,183,644

Confidence Interval Values (5)

State Lower Limit: 22,489,238 (State Test Value minus Margin of Error Percent)
State Upper Limit: 24,856,526 (State Test Value plus Margin of Error Percent)
Local Test Value: 25,366,830 (Outside Confidence Interval)
Value Assigned (6): 29,341,814 (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