taxes Property Tax

School and Appraisal Districts Property Value Study 2012 Report

2012 Confidence Interval Detail
197/Roberts
197-902/Miami ISD

Category Summary

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

Stratum
Variance
A 3,357,730 0.9086 3,695,499 9 94 .029177258
A 3,395,270 0.9606 3,534,531 9 58 .010905782
A 3,436,039 0.8670 3,963,136 8 41 .015199540
A 3,003,600 0.9088 3,305,018 7 19 .007510632
G1 144,749,876 0.9207 157,217,200 11 397 .179731503
G1 145,557,410 1.0075 144,473,856 9 120 .006980324
G1 144,670,643 1.0151 142,518,612 8 39 .008352405
G1 141,795,924 1.0414 136,158,944 5 12 .002227977
Random Totals: 589,966,492   594,866,796 66 780  
Catg J Exception Values: 21,767,897   22,125,943      
Catg D1 Exception Values: 23,117,120   25,486,553      
Total Test Values (4): 634,851,509   642,479,292      

Margin of Error

Margin of Error Percent: 6.4505379
Margin of Error Value: 41,443,370

Confidence Interval Values (5)

State Lower Limit: 601,035,922 (State Test Value minus Margin of Error Percent)
Local Test Value: 634,851,509 (Within Confidence Interval)
State Upper Limit: 683,922,662 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 793,173,662 (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