taxes Property Tax

School and Appraisal Districts Property Value Study 2015 Report

2015 Confidence Interval Detail
214/Starr
214-903/Roma ISD

Category Summary

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

Stratum
Variance
A 45,662,840 0.4843 94,286,269 15 2,416 .117193522
A 48,837,810 0.5722 85,350,944 16 1,484 .047995651
A 58,641,680 0.6240 93,977,051 15 1,129 .050766813
A 57,838,270 0.6614 87,448,246 16 548 .066249298
C1 3,792,310 1.1416 3,321,925 15 741 .001488735
C1 10,707,570 1.0518 10,180,234 15 1,536 .220696059
C1 7,461,120 0.8535 8,741,793 15 618 .372975637
C1 7,539,110 1.1390 6,619,061 15 150 4.108373932
F1 10,792,820 1.1245 9,597,884 10 216 .013798306
F1 10,275,270 0.8863 11,593,445 9 90 .026443651
F1 10,291,380 0.9230 11,149,924 8 46 .039851768
F1 10,453,410 0.9676 10,803,442 7 20 .060069970
G1 10,636,320 0.9641 11,032,383 11 66 .063116440
G1 11,347,329 0.9608 11,810,292 9 18 .019264066
G1 10,010,600 0.9607 10,420,110 5 7 .080532018
G1 10,129,270 1.0412 9,728,458 3 4 .005472819
Random Totals: 324,417,109   476,061,461 184 9,089  
Catg J Exception Values: 17,691,660   18,700,162      
Catg D1 Exception Values: 21,248,940   25,572,237      
Total Test Values (4): 363,357,709   520,333,860      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 26,016,693

Confidence Interval Values (5)

Local Test Value: 363,357,709 (Outside Confidence Interval)
State Lower Limit: 494,317,167 (State Test Value minus Margin of Error Percent)
State Upper Limit: 546,350,553 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 511,540,344 (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