Quick Start for:

2007 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 5,781,450 0.6280 9,206,131 8 351 .078443202
A 5,811,857 0.9083 6,398,609 8 145 .070254515
A 5,740,431 0.8861 6,478,311 7 84 .006276044
A 5,771,145 0.9789 5,895,541 8 45 .009885981
D3 13,182,328 0.8669 15,206,284 13 1,950 .029051371
F1 1,058,384 0.7050 1,501,254 6 56 .013370652
F1 1,127,496 0.8931 1,262,452 5 18 .012250454
F1 1,048,966 0.8768 1,196,357 3 5 .007947112
L1 1,525,327 1.0518 1,450,206 6 35 .013865468
L1 1,500,659 1.0032 1,495,872 5 11 .009444272
L1 1,582,877 0.9934 1,593,393 3 7 .000028366
Random Totals: 44,130,920   51,684,410 72 2,707  
Catg J Exception Values: 2,510,080   2,247,697      
Catg D1 Exception Values: 37,697,470   34,291,930      
Catg F1 Exception Values: 925,260   833,937      
Catg L1 Exception Values: 899,662   820,486      
Total Test Values (4): 86,163,392   89,878,460      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 4,493,923

Confidence Interval Values (5)

State Lower Limit: 85,384,537 (State Test Value minus Margin of Error Percent)
Local Test Value: 86,163,392 (Within Confidence Interval)
State Upper Limit: 94,372,383 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 97,051,243 (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

Required Plug-ins