taxes Property Tax Assistance

2017 Confidence Interval Detail

210/Shelby
210-906/Excelsior ISD

Category Summary

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

Stratum
Variance
A 1,424,780 0.8470 1,682,149 8 42 .075415432
A 1,418,390 0.8431 1,682,351 10 21 .027297440
A 1,158,030 1.0230 1,131,994 6 11 .020074834
A 1,288,210 1.0112 1,273,942 6 8 .014792301
E 5,392,063 0.9162 5,885,247 16 110 .028428788
G1 1,703,851 0.9320 1,828,166 4 6 .023593436
Random Totals: 12,385,324   13,483,849 50 198  
Catg J Exception Values: 166,420   133,638      
Catg D1 Exception Values: 2,458,995   2,497,511      
Catg G1 Exception Values: 12,895,839   12,978,870      
Total Test Values (4): 27,906,578   29,093,868      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 1,454,693

Confidence Interval Values (5)

State Lower Limit: 27,639,175 (State Test Value minus Margin of Error Percent)
Local Test Value: 27,906,578 (Within Confidence Interval)
State Upper Limit: 30,548,561 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 41,967,254 (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