taxes Property Tax

School and Appraisal Districts Property Value Study 2015 Report

2015 Confidence Interval Detail
114/Howard
114-902/Coahoma ISD

Category Summary

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

Stratum
Variance
A 24,475,096 0.9593 25,513,495 10 467 .032750928
A 28,250,055 0.9878 28,598,962 9 290 .031126750
A 30,029,676 0.9718 30,901,087 9 206 .006825441
A 35,271,395 1.0210 34,545,930 10 129 .015842990
G1 35,235,410 0.9953 35,401,798 9 103 .190391856
G1 36,619,919 1.0125 36,167,821 8 26 .017877827
G1 38,042,920 1.0288 36,977,955 4 8 .020702617
Random Totals: 227,924,471   228,107,048 59 1,229  
Catg J Exception Values: 9,958,043   9,814,375      
Catg D1 Exception Values: 9,687,420   11,619,024      
Catg G1 Exception Values: 30,622,760   28,961,468      
Total Test Values (4): 278,192,694   278,501,915      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 13,925,095

Confidence Interval Values (5)

State Lower Limit: 264,576,820 (State Test Value minus Margin of Error Percent)
Local Test Value: 278,192,694 (Within Confidence Interval)
State Upper Limit: 292,427,010 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 385,950,913 (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, D3, 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