taxes Property Tax Assistance

2023 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 896,159,222 0.9333 960,204,888 84 4,621 0.036498918
A 1,165,314,325 0.9871 1,180,543,334 89 4,510 0.005748609
A 1,747,014,414 1.0120 1,726,298,828 98 5,543 0.005621378
A 2,138,460,008 1.0282 2,079,809,383 95 4,658 0.010731627
B 486,743,558 0.9001 540,766,090 13 28 0.043836830
F1 282,500,597 0.8474 333,373,374 12 359 0.103215243
F1 325,980,165 0.9921 328,575,915 12 122 0.035213089
F1 334,170,461 0.6579 507,935,037 14 43 0.341148071
F1 191,231,120 0.9747 196,194,850 7 8 0.040186148
L1 68,566,840 0.9877 69,420,715 10 582 0.006761250
L1 76,740,500 0.9332 82,233,712 10 89 0.005166947
L1 73,972,020 0.9493 77,922,701 7 12 0.008522512
L1 79,881,170 1.0050 79,480,930 3 4 0.000138507
Random Totals: 7,866,734,400 8,162,759,757 454 20,579
CATG D1 EXCEPTION VALUES: 579,228 636,190
Total Test Values 7,867,313,628 8,163,395,947

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 408,169,797

Confidence Interval Values(5)

Local Test Value: 7,867,313,628 WITHIN CONFIDENCE INTERVAL
State Lower Limit: 7,755,226,150 (State Test Value minus Margin of Error Percent)
State Upper Limit: 8,571,565,744 (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