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 7,756 .005249068
A 1,966,028,864 0.9883 1,989,303,717 269 6,915 .006515990
A 1,963,978,022 0.9712 2,022,217,897 220 5,318 .007943224
A 2,184,415,995 0.9745 2,241,576,188 191 3,962 .010492066
B 101,461,737 0.9655 105,087,247 12 432 .020816516
B 124,073,042 0.7298 170,009,649 9 216 .172456165
B 93,784,118 0.9452 99,221,454 4 6 .008717077
B 156,600,833 0.9554 163,911,276 2 5 .000960644
E 352,376,233 0.9408 374,549,567 21 1,436 .057443000
F1 319,740,826 0.9811 325,900,342 10 506 .007598993
F1 330,907,228 0.9541 346,826,567 9 149 .010857202
F1 332,705,710 0.9573 347,545,921 8 49 .003662617
F1 362,943,502 1.0066 360,563,781 6 13 .003867414
L1 93,387,598 1.0831 86,222,508 11 612 .018886448
L1 83,487,436 0.9617 86,812,349 11 93 .011318332
L1 108,312,793 1.0171 106,491,784 8 31 .010706781
L1 84,973,221 1.0053 84,525,237 3 6 .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 (4): 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)

State Lower Limit: 10,130,748,839 (State Test Value minus Margin of Error Percent)
Local Test Value: 10,370,025,718 (Within Confidence Interval)
State Upper Limit: 11,197,143,453 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 9,761,278,191 (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, 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
(6) Includes local value of unstudied property categories and sub-categories