taxes Property Tax Assistance

2017 Confidence Interval Detail

101/Harris
101-913/Humble ISD

Category Summary

(1)
Category
(1)
Local
Value
(1)
Stratum
Ratio
(1)
State
Value
(2)
Sample
Size
(3)
Total
Parcels

Stratum
Variance
A 2,963,936,913 0.9682 3,061,285,801 250 19,138 .007918632
A 3,427,547,923 0.9789 3,501,428,055 245 15,887 .006354888
A 3,326,940,836 0.9833 3,383,444,357 251 11,329 .006749418
A 2,953,421,518 0.9640 3,063,715,268 245 5,933 .011511974
B 187,692,409 0.8004 234,498,262 7 27 .066355044
B 173,636,634 0.9798 177,216,405 6 9 .024382113
B 224,301,387 0.9732 230,478,203 5 9 .000774656
B 122,266,622 0.9757 125,311,696 3 3 .000757156
F1 487,094,720 0.9375 519,567,701 13 555 .178329433
F1 496,356,908 0.9124 544,012,394 10 196 .018856272
F1 551,631,318 0.9838 560,714,899 9 94 .048306064
F1 534,130,723 0.9697 550,820,587 8 28 .004998013
L1 127,500,262 1.0207 124,914,531 10 1,359 .015483443
L1 130,928,060 0.9123 143,514,261 11 235 .029957058
L1 125,334,628 0.9347 134,090,754 11 75 .007161479
L1 156,854,999 1.0013 156,651,352 7 31 .021402167
Random Totals: 15,989,575,860   16,511,664,526 1,091 54,908  
Catg D1 Exception Values: 7,676,953   7,706,047      
Total Test Values (4): 15,997,252,813   16,519,370,573      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 825,968,528

Confidence Interval Values (5)

State Lower Limit: 15,693,402,045 (State Test Value minus Margin of Error Percent)
Local Test Value: 15,997,252,813 (Within Confidence Interval)
State Upper Limit: 17,345,339,101 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 14,674,616,926 (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