taxes Property Tax

School and Appraisal Districts Property Value Study 2014 Report

2014 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 70,756,635 0.6280 112,669,801 30 832 2.502067655
A 79,002,665 0.9139 86,445,634 47 549 .016181617
A 97,898,864 0.9668 101,260,720 55 550 .006758645
A 107,541,917 1.0084 106,646,090 24 440 .007324359
E 117,432,123 1.0114 116,108,486 20 1,072 .005204594
Random Totals: 472,632,204   523,130,731 176 3,443  
Catg D1 Exception Values: 4,038,346   3,604,081      
Total Test Values (4): 476,670,550   526,734,812      

Margin of Error

Margin of Error Percent: 11.9475044
Margin of Error Value: 62,931,665

Confidence Interval Values (5)

State Lower Limit: 463,803,147 (State Test Value minus Margin of Error Percent)
Local Test Value: 476,670,550 (Within Confidence Interval)
State Upper Limit: 589,666,477 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 526,733,870 (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