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 0.8197 57,017,689 15 1,461 .036269268
A 45,990,480 0.8753 52,542,534 16 913 .021774723
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 0.8103 8,493,101 10 953 .042120132
C1 6,046,940 0.9848 6,140,272 10 505 .049895539
C1 1,948,480 0.9689 2,011,023 8 80 .028121390
F1 9,945,170 0.9169 10,846,515 15 202 .040059391
F1 9,913,350 1.0162 9,755,314 15 91 .047017063
F1 10,453,050 0.7988 13,085,941 15 49 .054675781
F1 10,357,110 0.7911 13,092,036 11 20 .046235523
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   347,775,878 176 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   389,376,932      

Margin of Error

Margin of Error Percent: 5.0000001
Margin of Error Value: 19,468,847

Confidence Interval Values (5)

Local Test Value: 342,071,492 (Outside Confidence Interval)
State Lower Limit: 369,908,085 (State Test Value minus Margin of Error Percent)
State Upper Limit: 408,845,779 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 397,221,442 (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