taxes Property Tax

School and Appraisal Districts Property Value Study 2014 Report

2014 Confidence Interval Detail
213/Somervell
213-901/Glen Rose ISD

Category Summary

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

Stratum
Variance
A 66,973,170 0.9019 74,257,867 17 718 .030446323
A 68,817,100 0.9642 71,372,226 20 409 .003843803
A 68,050,400 0.9965 68,289,413 14 286 .011830326
A 69,157,180 0.9587 72,136,414 7 203 .008424680
E 197,732,990 0.9670 204,480,858 20 1,252 .043793993
F1 14,570,790 0.9416 15,474,501 9 104 .010559780
F1 16,116,650 0.8730 18,461,226 8 52 .009099939
F1 14,789,020 0.8844 16,722,094 7 20 .019738454
F1 13,175,250 1.0568 12,467,118 4 7 .049783462
G1 6,350,638 0.9307 6,823,507 7 23 .028414360
G1 6,889,409 0.9947 6,926,117 5 10 .081944081
G1 6,028,082 0.9870 6,107,479 3 4 .021908539
Random Totals: 548,650,679   573,518,820 121 3,088  
Catg J Exception Values: 35,207,272   35,666,499      
Catg D1 Exception Values: 5,837,230   6,050,735      
Catg G1 Exception Values: 5,526,808   5,408,813      
Total Test Values (4): 595,221,989   620,644,867      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 31,032,243

Confidence Interval Values (5)

State Lower Limit: 589,612,624 (State Test Value minus Margin of Error Percent)
Local Test Value: 595,221,989 (Within Confidence Interval)
State Upper Limit: 651,677,110 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 2,579,559,828 (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