taxes Property Tax Assistance

2016 Confidence Interval Detail

154/Madison
154-903/North Zulch ISD

Category Summary

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

Stratum
Variance
A 4,344,580 0.7518 5,778,904 10 130 .066842467
A 4,450,210 0.8987 4,951,830 8 63 .026212288
A 5,782,440 1.0554 5,478,908 8 39 .031791145
A 5,382,950 1.1144 4,830,357 7 23 .025389489
E 46,587,240 0.8578 54,310,142 14 598 .101738183
G1 24,083,490 1.0024 24,025,828 16 53 .008059237
G1 23,590,171 0.9953 23,701,568 15 25 .017354916
G1 23,960,500 1.0171 23,557,664 13 18 .018137482
G1 22,808,723 0.9934 22,960,261 8 10 .026607796
Random Totals: 160,990,304   169,595,462 99 959  
Catg J Exception Values: 9,569,140   9,557,283      
Catg D1 Exception Values: 3,020,831   3,433,193      
Total Test Values (4): 173,580,275   182,585,938      

Margin of Error

Margin of Error Percent: 5.1442697
Margin of Error Value: 9,392,713

Confidence Interval Values (5)

State Lower Limit: 173,193,225 (State Test Value minus Margin of Error Percent)
Local Test Value: 173,580,275 (Within Confidence Interval)
State Upper Limit: 191,978,651 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 224,625,164 (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