taxes Property Tax

School and Appraisal Districts Property Value Study 2015 Report

2015 Confidence Interval Detail
170/Montgomery
093-905/Richards ISD

Category Summary

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

Stratum
Variance
A 3,509,540 0.8951 3,920,836 8 53 .018715884
A 3,189,060 0.9441 3,377,884 7 26 .005446918
A 3,163,800 0.9940 3,182,897 6 17 .001512684
A 3,382,320 1.1014 3,070,928 3 6 .010777451
E 7,067,870 0.9362 7,549,530 15 73 .022169333
G1 667,250 1.0387 642,390 3 5 .010637489
Random Totals: 20,979,840   21,744,465 42 180  
Catg D1 Exception Values: 3,110,035   3,030,430      
Catg G1 Exception Values: 3,244,710   3,112,240      
Total Test Values (4): 27,334,585   27,887,135      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 1,394,356

Confidence Interval Values (5)

State Lower Limit: 26,492,779 (State Test Value minus Margin of Error Percent)
Local Test Value: 27,334,585 (Within Confidence Interval)
State Upper Limit: 29,281,491 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 25,571,556 (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