taxes Property Tax Assistance

2020 Confidence Interval Detail

Somervell County
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 82,821,615 0.9521 86,988,357 14 753 0.012898248
A 84,734,810 0.9091 93,207,359 17 431 0.007574662
A 91,813,930 0.9524 96,402,698 12 340 0.005310263
A 118,497,144 0.9668 122,566,347 18 296 0.001989671
E 254,039,943 0.9246 274,756,590 20 1,413 0.009065069
F1 17,419,916 0.9720 17,921,724 9 110 0.027848932
F1 17,843,204 0.8101 22,025,928 8 50 0.084054770
F1 18,514,248 0.9917 18,669,202 7 23 0.020094121
F1 13,216,513 0.9099 14,524,971 7 9 0.017163595
Random Totals: 698,901,323 747,063,176 112 3,425
CATG D1 EXCEPTION VALUES: 6,399,668 6,262,885
CATG J EXCEPTION VALUES: 49,967,510 56,068,148
Total Test Values 755,268,501 809,394,209

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 40,469,710

Confidence Interval Values(5)

Local Test Value: 755,268,501 OUTSIDE CONFIDENCE INTERVAL
State Lower Limit: 768,924,499 (State Test Value minus Margin of Error Percent)
State Upper Limit: 849,863,919 (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