taxes Property Tax

School and Appraisal Districts Property Value Study 2015 Report

2015 Confidence Interval Detail
214/Starr
214-901/Rio Grande City ISD

Category Summary

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

Stratum
Variance
A 94,063,520 0.5372 175,099,628 15 4,151 .164477571
A 113,424,600 0.6519 173,990,796 15 2,636 .050388659
A 104,610,080 0.7103 147,275,912 15 1,339 .053650537
A 113,325,980 0.8887 127,518,825 15 772 .082303801
C1 16,170,000 0.5190 31,156,069 10 3,060 .000000698
C1 17,782,420 0.9063 19,620,898 12 1,604 .022517831
C1 15,869,030 1.0771 14,733,107 10 783 .026874191
C1 16,135,870 1.5701 10,276,970 11 250 .775938043
F1 31,429,790 0.8525 36,867,789 10 333 .222787074
F1 28,844,850 0.8615 33,482,124 9 89 .069062775
F1 33,079,670 0.9140 36,192,199 8 41 .030038967
F1 28,114,260 1.0331 27,213,493 4 7 .040126678
G1 73,226,901 0.9951 73,587,480 12 231 .108938339
G1 72,799,780 1.0083 72,200,516 11 76 .041458982
G1 72,942,200 1.0717 68,062,144 10 39 .029837410
G1 71,356,859 1.1096 64,308,633 8 19 .061320884
L1 13,358,850 0.9728 13,732,370 6 1,171 .000893026
L1 18,919,710 0.9602 19,703,926 10 239 .005561217
L1 13,301,640 1.0078 13,198,690 9 42 .003318868
L1 17,817,090 1.0063 17,705,545 3 7 .000682727
Random Totals: 966,573,100   1,175,927,114 203 16,889  
Catg D1 Exception Values: 32,635,180   35,469,751      
Total Test Values (4): 999,208,280   1,211,396,865      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 60,569,843

Confidence Interval Values (5)

Local Test Value: 999,208,280 (Outside Confidence Interval)
State Lower Limit: 1,150,827,022 (State Test Value minus Margin of Error Percent)
State Upper Limit: 1,271,966,708 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 1,488,826,762 (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