Quick Start for:

2007 Confidence Interval Detail
177/Nolan
177-903/Blackwell ISD

Category Summary

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

Stratum
Variance
D3 38,747,717 1.0128 38,258,014 25 1,719 .012537321
G1 18,260,342 0.9577 19,066,871 10 60 .040951886
G1 18,238,050 1.0046 18,154,539 7 17 .007630575
G1 17,840,272 0.9734 18,327,791 4 7 .003831449
G1 16,999,660 0.8902 19,096,450 3 4 .003851812
Random Totals: 110,086,041   112,903,665 49 1,807  
Catg J Exception Values: 6,077,859   6,286,563      
Catg D1 Exception Values: 12,080,538   13,219,988      
Total Test Values (4): 128,244,438   132,410,216      

Margin of Error

Margin of Error Percent: 5.0000002
Margin of Error Value: 6,620,511

Confidence Interval Values (5)

State Lower Limit: 125,789,705 (State Test Value minus Margin of Error Percent)
Local Test Value: 128,244,438 (Within Confidence Interval)
State Upper Limit: 139,030,727 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 843,549,532 (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