taxes Property Tax Assistance

2018 Confidence Interval Detail

246/Williamson
246-904/Georgetown ISD

Category Summary

(1)
Category 		(1)
Local
Value 		(1)
Stratum
Ratio 		(1)
State
Value 		(2)
Sample
Size 		(3)
Total
Parcels
Stratum
Variance
A 1,700,780,817 0.9763 1,742,067,824 241 7756 0.005249068
A 1,966,028,864 0.9883 1,989,303,717 269 6915 0.006515990
A 1,963,978,022 0.9712 2,022,217,897 220 5318 0.007943224
A 2,184,415,995 0.9745 2,241,576,188 191 3962 0.010492066
B 101,461,737 0.9655 105,087,247 12 432 0.020816516
B 124,073,042 0.7298 170,009,649 9 216 0.172456165
B 93,784,118 0.9452 99,221,454 4 6 0.008717077
B 156,600,833 0.9554 163,911,276 2 5 0.000960644
E 352,376,233 0.9408 374,549,567 21 1436 0.057443000
F1 319,740,826 0.9811 325,900,342 10 506 0.007598993
F1 330,907,228 0.9541 346,826,567 9 149 0.010857202
F1 332,705,710 0.9573 347,545,921 8 49 0.003662617
F1 362,943,502 1.0066 360,563,781 6 13 0.003867414
L1 93,387,598 1.0831 86,222,508 11 612 0.018886448
L1 83,487,436 0.9617 86,812,349 11 93 0.011318332
L1 108,312,793 1.0171 106,491,784 8 31 0.010706781
L1 84,973,221 1.0053 84,525,237 3 6 0.000087875
Random Totals: 10,359,957,975 10,652,833,308 1,035 27,505
CATG D1 EXCEPTION VALUES: 10,067,743 11,112,838
Total Test Values(1) 10,370,025,718 10,663,946,146

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 533,197,307

Confidence Interval Values(5)

Local Test Value: 10,370,025,718 WITHIN CONFIDENCE INTERVAL
State Lower Limit: 10,130,748,839 (State Test Value minus Margin of Error Percent)
State Upper Limit: 11,197,143,453 (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