taxes Property Tax

School and Appraisal Districts Property Value Study 2013 Report

2013 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 90,194,110 0.8145 110,735,556 15 4,163 .042517492
A 90,568,490 0.7607 119,059,406 15 2,237 .048987009
A 92,728,680 0.8250 112,398,400 14 1,245 .076160638
A 96,233,770 0.9049 106,347,409 15 678 .020865514
C1 15,258,240 0.8743 17,451,950 10 3,134 .063334165
C1 13,790,700 0.6547 21,064,152 10 1,288 .049890729
C1 14,528,560 0.9165 15,852,220 10 732 .046458432
C1 5,631,730 1.0036 5,611,528 10 102 .012418789
F1 30,416,300 0.8922 34,091,347 10 319 .107802970
F1 30,390,610 0.7133 42,605,650 10 91 .104349608
F1 27,946,800 0.9993 27,966,376 9 33 .028356769
F1 29,125,840 0.8915 32,670,600 4 7 .011815740
G1 93,885,240 0.9914 94,699,657 11 245 .061904789
G1 93,961,783 1.0301 91,216,176 10 85 .025352485
G1 92,236,500 1.0421 88,510,220 8 33 .006506836
G1 93,019,629 1.0547 88,195,344 6 12 .041110756
L1 15,469,080 0.8098 19,102,346 5 1,597 .055808387
L1 14,762,640 0.9863 14,967,697 11 308 .017021850
L1 13,647,450 0.9784 13,948,743 8 51 .006455044
L1 15,113,470 1.0220 14,788,131 2 4 .000300650
Random Totals: 968,909,622   1,071,282,908 193 16,364  
Catg J Exception Values: 22,014,680   22,619,933      
Catg D1 Exception Values: 33,748,910   34,974,349      
Total Test Values (4): 1,024,673,212   1,128,877,190      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 56,443,860

Confidence Interval Values (5)

Local Test Value: 1,024,673,212 (Outside Confidence Interval)
State Lower Limit: 1,072,433,330 (State Test Value minus Margin of Error Percent)
State Upper Limit: 1,185,321,050 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 1,061,850,601 (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