Holiday Hours
Quick Start for:

2010 Confidence Interval Detail
043/Collin
043-918/Community ISD

Category Summary

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

Stratum
Variance
A 83,665,109 0.9434 88,684,661 25 949 .030931638
A 74,416,191 0.9949 74,797,659 25 499 .004185965
A 75,508,532 0.9966 75,766,137 25 407 .005169114
A 61,754,427 0.9498 65,018,348 13 254 .010768072
D3 109,579,977 0.9564 114,575,467 27 2,708 .036157844
Random Totals: 404,924,236   418,842,272 115 4,817  
Catg J Exception Values: 10,512,439   10,220,839      
Catg D1 Exception Values: 4,095,942   4,153,441      
Total Test Values (4): 419,532,617   433,216,552      

Margin of Error

Margin of Error Percent: 5.0000001
Margin of Error Value: 21,660,828

Confidence Interval Values (5)

State Lower Limit: 411,555,724 (State Test Value minus Margin of Error Percent)
Local Test Value: 419,532,617 (Within Confidence Interval)
State Upper Limit: 454,877,380 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 450,976,592 (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