taxes Property Tax

School and Appraisal Districts Property Value Study 2015 Report

2015 Confidence Interval Detail
102/Harrison
102-901/Karnack ISD

Category Summary

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

Stratum
Variance
A 13,008,670 1.0022 12,980,114 7 219 .001180921
A 13,568,250 1.0379 13,072,791 7 110 .001604200
A 13,595,930 0.9582 14,189,032 8 74 .021027205
A 12,539,980 1.0328 12,141,731 7 45 .001565027
E 99,300,070 0.9228 107,607,358 10 2,005 .028897438
G1 10,316,572 0.9887 10,434,482 9 55 .106536253
G1 10,205,138 1.0650 9,582,289 6 11 .010208469
G1 10,195,525 0.9875 10,324,582 3 4 .006412244
Random Totals: 182,730,135   190,332,379 57 2,523  
Catg J Exception Values: 118,080   128,861      
Catg D1 Exception Values: 6,455,470   7,351,147      
Catg G1 Exception Values: 10,017,465   9,388,946      
Total Test Values (4): 199,321,150   207,201,333      

Margin of Error

Margin of Error Percent: 5.7445113
Margin of Error Value: 11,902,704

Confidence Interval Values (5)

State Lower Limit: 195,298,629 (State Test Value minus Margin of Error Percent)
Local Test Value: 199,321,150 (Within Confidence Interval)
State Upper Limit: 219,104,037 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 218,235,315 (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