taxes Property Tax

School and Appraisal Districts Property Value Study 2014 Report

2014 Confidence Interval Detail
033/Carson
033-901/Groom ISD

Category Summary

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

Stratum
Variance
A 3,306,930 1.0881 3,039,178 10 103 .034000164
A 3,184,270 0.8471 3,759,025 10 52 .028950045
A 3,438,600 0.8601 3,997,907 9 40 .016074057
A 4,223,530 1.0340 4,084,652 8 31 .010031949
E 6,310,890 0.9924 6,359,220 20 101 .057058830
G1 3,235,140 0.9539 3,391,488 6 15 .022101144
G1 3,425,210 0.9976 3,433,450 5 9 .011530384
G1 3,213,240 0.9953 3,228,414 4 6 .002424322
G1 2,901,520 1.0370 2,797,994 2 3 .001043712
Random Totals: 33,239,330   34,091,328 74 360  
Catg J Exception Values: 527,950   573,224      
Catg D1 Exception Values: 13,218,280   14,127,568      
Total Test Values (4): 46,985,560   48,792,120      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 2,439,606

Confidence Interval Values (5)

State Lower Limit: 46,352,514 (State Test Value minus Margin of Error Percent)
Local Test Value: 46,985,560 (Within Confidence Interval)
State Upper Limit: 51,231,726 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 67,380,393 (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