taxes Property Tax Assistance

2017 Confidence Interval Detail

101/Harris
101-912/Houston ISD

Category Summary

(1)
Category		 (1)
Local
Value		 (1)
Stratum
Ratio		 (1)
State
Value		 (2)
Sample
Size		 (3)
Total
Parcels
Stratum
Variance
A 24,201,155,429 0.9434 25,653,122,142 731 155,078 .015580358
A 22,764,544,024 0.9789 23,255,229,364 744 57,521 .014553768
A 22,882,235,148 0.9619 23,788,580,048 735 30,648 .014482286
A 23,260,532,275 0.9658 24,084,212,337 486 12,232 .017709113
B 4,381,847,451 0.9186 4,770,136,568 15 2,762 .104025849
B 5,313,863,878 0.9472 5,610,075,885 11 209 .008834288
B 5,619,635,148 0.9472 5,932,891,837 14 113 .013786292
B 4,982,273,109 0.9899 5,033,107,495 10 63 .003266994
C1 1,106,212,451 0.8130 1,360,654,921 81 20,367 .126694001
C1 1,034,536,581 0.8979 1,152,173,495 69 3,353 .086156162
C1 1,046,416,482 0.9169 1,141,254,752 13 969 .047796736
C1 975,393,894 0.8236 1,184,305,359 9 113 .072453539
F1 12,804,403,209 0.8465 15,126,288,493 38 9,759 .056207657
F1 12,511,873,001 0.9568 13,076,790,344 12 1,286 .028400688
F1 12,284,820,261 0.9537 12,881,220,783 11 206 .007995913
F1 12,034,361,374 1.0282 11,704,300,111 8 39 .017776043
L1 2,446,274,577 0.9248 2,645,193,098 11 13,562 .013337008
L1 2,331,710,200 0.9443 2,469,247,273 10 1,514 .018079338
L1 2,330,668,936 0.8019 2,906,433,391 10 377 .052028824
L1 2,545,941,853 1.1621 2,190,811,336 9 85 .070910059
Random Totals: 176,858,699,281   185,966,029,032 3,027 310,256  
Catg J Exception Values: 527,494,450   488,854,775      
Catg D1 Exception Values: 530,637   530,895      
Catg E Exception Values: 8,361,306   9,567,223      
Total Test Values (4): 177,395,085,674   186,464,981,925      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 9,323,249,096

Confidence Interval Values (5)

State Lower Limit: 177,141,732,829 (State Test Value minus Margin of Error Percent)
Local Test Value: 177,395,085,674 (Within Confidence Interval)
State Upper Limit: 195,788,231,021 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 174,202,421,321 (See ISD Summary Worksheet)

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
(6) Includes local value of unstudied property categories and sub-categories