taxes Property Tax Assistance

2023 Confidence Interval Detail

Harris County
101-919/Spring ISD

Category Summary

(1)
Category 		(1)
Local
Value 		(1)
Stratum
Ratio 		(1)
State
Value 		(2)
Sample
Size 		(3)
Total
Parcels
Stratum
Variance
A 1,439,513,693 0.9562 1,505,452,513 57 7,470 0.012444176
A 2,467,995,654 0.9986 2,471,455,692 96 10,969 0.005711037
A 3,521,637,465 1.0322 3,411,778,207 98 13,336 0.006081275
A 5,019,866,741 1.0196 4,923,368,714 92 14,078 0.025816563
B 443,023,446 0.8641 512,699,278 9 35 0.008657922
B 635,250,673 0.8956 709,301,779 8 31 0.010973562
B 727,963,209 0.9159 794,806,430 8 22 0.013251300
B 846,937,574 1.0502 806,453,603 5 15 0.013378757
C1 109,683,825 0.6608 165,986,418 11 548 0.351537720
C1 108,074,664 0.9837 109,865,471 11 134 0.007217003
C1 107,591,744 1.0014 107,441,326 10 61 0.027535503
C1 105,279,799 1.0100 104,237,425 8 21 0.004508766
F1 1,161,842,182 0.8950 1,298,147,689 19 799 0.028767010
F1 1,192,925,284 0.8851 1,347,785,882 12 269 0.195566193
F1 1,191,025,872 0.9384 1,269,209,156 11 98 0.037425439
F1 1,317,788,795 1.0403 1,266,739,205 7 25 0.017625931
L1 265,175,800 1.0646 249,084,915 11 1,260 0.005406681
L1 260,239,453 1.0469 248,581,004 10 144 0.004893077
L1 262,705,436 1.0084 260,517,092 10 36 0.000202278
L1 227,607,330 0.9999 227,630,093 2 5 0.000073602
Random Totals: 21,412,128,639 21,790,541,892 495 49,356
CATG D1 EXCEPTION VALUES: 327,273 347,178
Total Test Values 21,412,455,912 21,790,889,070

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 1,089,544,454

Confidence Interval Values(5)

Local Test Value: 21,412,455,912 WITHIN CONFIDENCE INTERVAL
State Lower Limit: 20,701,344,616 (State Test Value minus Margin of Error Percent)
State Upper Limit: 22,880,433,524 (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