taxes Property Tax Assistance

2017 Confidence Interval Detail

101/Harris
101-906/Crosby ISD

Category Summary

(1)
Category		 (1)
Local
Value		 (1)
Stratum
Ratio		 (1)
State
Value		 (2)
Sample
Size		 (3)
Total
Parcels
Stratum
Variance
A 248,530,476 0.9245 268,826,908 35 2,514 .004993803
A 306,924,372 0.9570 320,715,122 39 2,049 .007007793
A 331,714,619 0.9731 340,884,410 50 1,720 .011314255
A 357,303,490 0.9946 359,243,404 44 1,194 .023880479
C1 18,813,538 0.6936 27,124,478 7 1,425 .059855573
C1 23,463,656 0.9735 24,102,369 7 607 .030698573
C1 19,811,832 0.9018 21,969,208 7 150 .003013745
C1 16,207,323 0.9831 16,485,935 8 40 .056469326
F1 36,154,055 0.8909 40,581,496 7 134 .009347484
F1 40,716,939 0.9130 44,596,866 7 53 .028505580
F1 41,413,714 0.8730 47,438,389 6 21 .003801298
F1 47,409,648 0.8718 54,381,335 5 12 .006766626
Random Totals: 1,488,463,662   1,566,349,920 222 9,919  
Catg J Exception Values: 15,895,050   16,642,089      
Catg D1 Exception Values: 4,848,597   4,981,343      
Total Test Values (4): 1,509,207,309   1,587,973,352      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 79,398,667

Confidence Interval Values (5)

State Lower Limit: 1,508,574,685 (State Test Value minus Margin of Error Percent)
Local Test Value: 1,509,207,309 (Within Confidence Interval)
State Upper Limit: 1,667,372,019 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 1,781,943,068 (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