taxes Property Tax Assistance

2017 Confidence Interval Detail

140/Lamb
140-905/Olton ISD

Category Summary

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

Stratum
Variance
A 7,375,810 0.8806 8,375,891 14 311 .014189274
A 7,762,080 0.9587 8,096,464 15 154 .035978610
A 8,083,540 0.9408 8,592,198 14 97 .020069997
A 8,586,870 0.9803 8,759,431 12 52 .004918090
E 20,860,310 0.7072 29,497,045 10 373 .077466852
L1 1,735,260 1.0096 1,718,760 7 20 .003291072
L1 1,598,850 1.0097 1,583,490 3 6 .000778287
L1 2,737,590 1.0097 2,711,290 2 4 .000360804
Random Totals: 58,740,310   69,334,569 77 1,017  
Catg J Exception Values: 5,409,240   6,542,524      
Catg D1 Exception Values: 25,945,637   18,712,628      
Catg L1 Exception Values: 1,058,900   1,065,147      
Total Test Values (4): 91,154,087   95,654,868      

Margin of Error

Margin of Error Percent: 5.4726122
Margin of Error Value: 5,234,820

Confidence Interval Values (5)

State Lower Limit: 90,420,048 (State Test Value minus Margin of Error Percent)
Local Test Value: 91,154,087 (Within Confidence Interval)
State Upper Limit: 100,889,688 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 111,147,857 (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