taxes Property Tax Assistance

2021 Confidence Interval Detail

Galveston County
084-901/Dickinson ISD

Category Summary

(1)
Category 		(1)
Local
Value 		(1)
Stratum
Ratio 		(1)
State
Value 		(2)
Sample
Size 		(3)
Total
Parcels
Stratum
Variance
A 671,072,880 0.9560 701,959,079 73 4,706 0.017515388
A 900,512,527 1.0279 876,070,169 74 4,351 0.007044600
A 1,339,535,559 1.0483 1,277,816,998 75 5,254 0.009369503
A 1,451,847,396 1.0199 1,423,519,361 72 3,765 0.017377800
B 401,861,570 1.0940 367,332,331 8 38 0.097746435
F1 198,145,112 1.0721 184,819,618 15 419 0.130341081
F1 266,361,530 0.7216 369,126,289 15 148 0.607964061
F1 250,133,620 0.8206 304,817,962 11 50 0.236273539
F1 248,109,081 1.0784 230,071,477 5 12 0.125909377
L1 51,952,240 0.9489 54,749,963 10 470 0.011145235
L1 53,704,430 0.9588 56,012,130 10 88 0.001164587
L1 49,519,130 0.9315 53,160,633 7 15 0.004982917
L1 59,968,200 0.9314 64,387,653 5 8 0.040484539
Random Totals: 5,942,723,275 5,963,843,663 380 19,324
CATG D1 EXCEPTION VALUES: 583,033 516,814
CATG L1 EXCEPTION VALUES: 0 0
Total Test Values 5,943,306,308 5,964,360,477

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 298,218,024

Confidence Interval Values(5)

Local Test Value: 5,943,306,308 WITHIN CONFIDENCE INTERVAL
State Lower Limit: 5,666,142,453 (State Test Value minus Margin of Error Percent)
State Upper Limit: 6,262,578,501 (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