Quick Start for:

2009 Confidence Interval Detail
070/Ellis
070-911/Red Oak ISD

Category Summary

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

Stratum
Variance
A 266,281,010 0.9899 268,997,889 35 2,508 .002882365
A 257,989,654 1.0098 255,485,892 25 1,840 .008428671
A 248,776,786 1.0085 246,680,006 27 1,386 .004541968
A 237,708,921 1.0058 236,338,160 17 852 .004323441
F1 21,652,140 0.9961 21,736,914 9 110 .005543812
F1 20,859,552 0.9002 23,172,131 8 36 .033151161
F1 23,074,218 0.9480 24,339,892 7 19 .007736822
F1 13,631,610 0.9290 14,673,423 3 4 .001920764
Random Totals: 1,089,973,891   1,091,424,307 131 6,755  
Catg D1 Exception Values: 1,694,881   1,536,719      
Total Test Values (4): 1,091,668,772   1,092,961,026      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 54,648,051

Confidence Interval Values (5)

State Lower Limit: 1,038,312,975 (State Test Value minus Margin of Error Percent)
Local Test Value: 1,091,668,772 (Within Confidence Interval)
State Upper Limit: 1,147,609,077 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 1,169,778,488 (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