taxes Property Tax Assistance

2018 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 76,577,685 0.9541 80,261,697 16 741 0.025781382
A 75,413,755 0.9516 79,249,427 11 413 0.016419899
A 77,062,160 0.9428 81,737,548 14 306 0.001718249
A 104,701,604 0.9519 109,992,230 13 284 0.006443982
E 227,323,502 0.9910 229,387,994 21 1354 0.052410710
F1 16,820,785 0.8032 20,942,212 10 111 0.047689735
F1 16,198,895 0.9130 17,742,492 9 48 0.011893850
F1 15,796,687 0.9186 17,196,481 7 20 0.024157888
F1 15,671,516 0.9749 16,074,998 4 7 0.000658468
L1 8,025,535 0.9583 8,374,763 9 109 0.009605735
L1 9,364,850 0.8775 10,672,194 8 18 0.087902028
Random Totals: 642,956,974 671,632,036 122 3,411
CATG D1 EXCEPTION VALUES: 5,726,144 6,198,922
CATG J EXCEPTION VALUES: 36,463,830 37,925,999
CATG L1 EXCEPTION VALUES: 16,943,170 18,243,605
Total Test Values(3) 702,090,118 734,000,562

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 36,700,028

Confidence Interval Values(5)

Local Test Value: 702,090,118 WITHIN CONFIDENCE INTERVAL
State Lower Limit: 697,300,534 (State Test Value minus Margin of Error Percent)
State Upper Limit: 770,700,590 (State Test Value plus Margin of Error Percent)

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, D2, E, F1, G1, G2, or L1 marked as exception properties
(5) Unstudied categories and sub-categories were not included in the Confidence Interval Values