taxes Property Tax

School and Appraisal Districts Property Value Study 2013 Report

2013 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 45,762,850 0.7237 63,234,559 14 2,486 .080830654
A 46,737,400 0.8095 57,736,133 15 1,461 .034126734
A 45,990,480 0.8581 53,595,711 16 913 .020675178
A 48,032,870 0.9427 50,952,445 16 509 .029747083
C1 6,867,060 0.8998 7,631,763 10 1,391 .019094715
C1 6,881,960 0.5544 12,413,348 10 953 .605746895
C1 6,046,940 0.9172 6,592,826 10 505 .089494020
C1 1,948,480 0.8808 2,212,171 9 80 .074271916
F1 9,945,170 0.8461 11,754,131 15 202 .060322347
F1 9,913,350 0.9502 10,432,909 15 91 .078282491
F1 10,453,050 0.6496 16,091,518 15 49 .097619572
F1 10,357,110 0.7146 14,493,577 11 20 .054871044
G1 13,776,741 1.0054 13,702,746 8 53 .019883657
G1 13,338,581 0.9668 13,796,629 6 13 .006692357
G1 15,604,240 1.0455 14,925,146 5 9 .018587440
G1 11,009,120 1.0437 10,548,165 2 3 .048468704
Random Totals: 302,665,402   360,113,777 177 8,738  
Catg J Exception Values: 18,477,210   19,513,582      
Catg D1 Exception Values: 20,928,880   22,087,472      
Total Test Values (4): 342,071,492   401,714,831      

Margin of Error

Margin of Error Percent: 5.0000001
Margin of Error Value: 20,085,742

Confidence Interval Values (5)

Local Test Value: 342,071,492 (Outside Confidence Interval)
State Lower Limit: 381,629,089 (State Test Value minus Margin of Error Percent)
State Upper Limit: 421,800,573 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 409,371,685 (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