taxes Property Tax

School and Appraisal Districts Property Value Study 2012 Report

2012 Confidence Interval Detail
043/Collin
043-919/Lovejoy ISD

Category Summary

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

Stratum
Variance
A 359,106,896 1.0078 356,327,541 10 1,386 .009389603
A 365,584,353 0.9983 366,206,905 10 1,056 .003268174
A 398,436,283 0.9754 408,485,014 10 857 .010041500
A 384,210,343 0.9360 410,481,136 10 530 .032475156
Random Totals: 1,507,337,875   1,541,500,596 40 3,829  
Catg D1 Exception Values: 266,679   197,705      
Total Test Values (4): 1,507,604,554   1,541,698,301      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 77,084,915

Confidence Interval Values (5)

State Lower Limit: 1,464,613,386 (State Test Value minus Margin of Error Percent)
Local Test Value: 1,507,604,554 (Within Confidence Interval)
State Upper Limit: 1,618,783,216 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 1,571,372,329 (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