taxes Property Tax Assistance

2019 Confidence Interval Detail

Harris County
101-920/Spring Branch ISD

Category Summary

(1)
Category 		(1)
Local
Value 		(1)
Stratum
Ratio 		(1)
State
Value 		(2)
Sample
Size 		(3)
Total
Parcels
Stratum
Variance
A 6,358,246,413 0.9667 6,577,269,487 147 20296 0.010302863
A 6,426,822,598 0.9746 6,594,318,282 147 8522 0.008103186
A 6,348,488,300 0.9697 6,546,858,100 142 4346 0.010616734
A 6,631,227,230 0.9552 6,942,239,562 43 2149 0.015680069
B 485,522,274 0.8271 587,017,621 9 74 0.075878920
B 638,883,267 0.9112 701,144,937 8 26 0.020239346
B 1,045,423,249 0.9638 1,084,688,990 7 18 0.008247211
C1 165,635,090 0.8549 193,747,912 14 694 0.012790965
C1 162,165,984 1.0163 159,565,073 9 168 0.035235523
C1 123,379,778 1.0500 117,504,550 9 60 0.046945029
C1 158,285,312 1.0883 145,442,720 6 19 0.015493218
F1 2,063,240,447 0.8186 2,520,450,094 11 987 0.019262509
F1 2,090,000,287 0.9230 2,264,355,674 10 194 0.040829371
F1 2,109,268,902 0.9297 2,268,762,936 8 56 0.008620718
F1 1,920,528,523 0.9950 1,930,179,420 6 15 0.019977300
L1 2,163,580 0.8699 2,487,036 11 11 0.010729651
L1 12,004,762 0.9692 12,386,312 11 11 0.006820579
L1 35,462,485 0.9973 35,559,971 9 9 0.003685322
L1 117,331,174 1.0402 112,797,127 7 7 0.013675319
Random Totals: 36,894,079,655 38,796,775,804 614 37,662
CATG B EXCEPTION VALUES: 161,681,341 175,105,456
CATG D1 EXCEPTION VALUES: 20,590 20,885
Total Test Values(2) 37,055,781,586 38,971,902,145

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 1,948,595,107

Confidence Interval Values(5)

Local Test Value: 37,055,781,586 WITHIN CONFIDENCE INTERVAL
State Lower Limit: 37,023,307,038 (State Test Value minus Margin of Error Percent)
State Upper Limit: 40,920,497,252 (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