taxes Property Tax Assistance

2020 Confidence Interval Detail

Galveston County
084-910/Clear Creek ISD

Category Summary

(1)
Category 		(1)
Local
Value 		(1)
Stratum
Ratio 		(1)
State
Value 		(2)
Sample
Size 		(3)
Total
Parcels
Stratum
Variance
A 1,784,818,837 0.9906 1,801,755,337 98 8,911 0.020259328
A 1,906,765,398 1.0134 1,881,552,593 102 6,996 0.003794255
A 2,275,065,049 1.0256 2,218,277,154 99 6,750 0.003929782
A 2,627,202,439 1.0143 2,590,163,107 95 5,100 0.007143907
B 409,650,850 0.9727 421,148,196 9 20 0.006158724
F1 216,416,259 0.7987 270,960,635 16 431 0.078694898
F1 205,730,249 0.7343 280,171,931 17 146 0.057941816
F1 237,099,432 0.7723 307,004,314 15 66 0.028182660
F1 264,827,075 0.8615 307,402,293 12 26 0.059823908
L1 69,993,460 0.9207 76,022,005 11 809 0.030330924
L1 67,298,380 0.9449 71,222,754 13 134 0.017032239
L1 69,744,380 0.9527 73,207,075 8 35 0.005430204
L1 62,017,470 0.8877 69,863,096 6 11 0.010454501
Random Totals: 10,196,629,278 10,368,750,490 501 29,435
CATG D1 EXCEPTION VALUES: 206,740 153,033
Total Test Values 10,196,836,018 10,368,903,523

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 518,445,176

Confidence Interval Values(5)

Local Test Value: 10,196,836,018 WITHIN CONFIDENCE INTERVAL
State Lower Limit: 9,850,458,347 (State Test Value minus Margin of Error Percent)
State Upper Limit: 10,887,348,699 (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