Filing Deadline Extended
Quick Start for:

2007 Confidence Interval Detail
091/Grayson
091-913/Pottsboro ISD

Category Summary

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

Stratum
Variance
A 98,583,478 0.9668 101,968,844 36 1,552 .007021968
A 98,592,791 0.9929 99,297,805 21 785 .001125070
A 98,655,275 0.9949 99,160,996 23 500 .001852218
A 98,384,411 0.9945 98,928,518 20 253 .001866507
D3 60,959,119 0.9278 65,702,866 24 1,686 .032876710
F1 11,857,039 0.7559 15,685,989 9 102 .105487302
F1 12,272,297 0.9201 13,338,003 7 29 .011469819
F1 11,652,502 0.9348 12,465,235 4 8 .000132803
G1 14,392,166 0.9151 15,727,424 6 33 .042680693
G1 13,243,601 0.9372 14,131,030 4 11 .024100115
G1 15,690,847 1.0636 14,752,583 3 6 .005111141
L1 2,313,006 1.0179 2,272,331 8 80 .002709098
L1 2,335,732 1.0170 2,296,688 5 19 .000648717
L1 12,673,899 1.0234 12,384,111 6 11 .000301041
Random Totals: 551,606,163   568,112,423 176 5,075  
Catg D1 Exception Values: 3,511,066   2,314,099      
Catg F1 Exception Values: 10,760,642   12,118,534      
Total Test Values (4): 565,877,871   582,545,056      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 29,127,253

Confidence Interval Values (5)

State Lower Limit: 553,417,803 (State Test Value minus Margin of Error Percent)
Local Test Value: 565,877,871 (Within Confidence Interval)
State Upper Limit: 611,672,309 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 583,213,479 (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