taxes Property Tax Assistance

2019 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 961,655,565 0.9326 1,031,155,442 97 7975 0.010530560
A 1,840,380,118 0.9554 1,926,292,776 96 12870 0.008349120
A 2,032,199,363 0.9851 2,062,937,126 102 11764 0.008195215
A 2,297,039,280 0.9921 2,315,330,390 95 9543 0.025516232
B 314,073,610 0.9098 345,211,706 8 40 0.009035306
B 358,090,347 0.9457 378,651,102 6 28 0.007930935
B 466,338,325 0.9310 500,900,456 9 22 0.019030076
B 366,652,437 0.9303 394,122,796 4 9 0.014743770
C1 104,812,071 0.8960 116,977,758 10 813 0.014249054
C1 102,020,814 0.7962 128,134,657 9 142 0.057736006
C1 105,255,155 0.8755 120,222,907 9 60 0.109063701
C1 85,159,839 1.0441 81,562,914 7 17 0.002994564
F1 829,244,442 0.9347 887,177,107 16 717 0.039398016
F1 781,946,649 0.9281 842,524,134 16 210 0.058745741
F1 804,378,429 0.9364 859,011,565 19 93 0.013546353
F1 1,018,520,657 0.9202 1,106,847,052 14 35 0.034412767
L1 1,921,999 0.9952 1,931,355 11 11 0.019860799
L1 13,447,585 1.0078 13,343,816 9 9 0.003548710
L1 55,380,881 0.9571 57,863,366 9 9 0.008170330
L1 127,733,400 0.9775 130,680,163 3 3 0.000925633
Random Totals: 12,666,250,966 13,300,878,588 549 44,370
CATG D1 EXCEPTION VALUES: 433,570 450,871
Total Test Values(1) 12,666,684,536 13,301,329,459

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 665,066,473

Confidence Interval Values(5)

Local Test Value: 12,666,684,536 WITHIN CONFIDENCE INTERVAL
State Lower Limit: 12,636,262,986 (State Test Value minus Margin of Error Percent)
State Upper Limit: 13,966,395,932 (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