taxes Property Tax

School and Appraisal Districts Property Value Study 2014 Report

2014 Confidence Interval Detail
043/Collin
043-908/Melissa ISD

Category Summary

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

Stratum
Variance
A 69,647,739 0.9283 75,027,188 48 550 .011352709
A 137,435,192 0.9407 146,098,854 84 791 .011885062
A 86,768,217 0.9754 88,956,548 31 367 .005161691
A 157,452,954 0.9825 160,257,460 44 466 .007402426
E 51,189,493 0.9612 53,255,819 14 322 .004158277
Random Totals: 502,493,595   523,595,869 221 2,496  
Catg D1 Exception Values: 1,751,316   1,437,573      
Total Test Values (4): 504,244,911   525,033,442      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 26,251,672

Confidence Interval Values (5)

State Lower Limit: 498,781,770 (State Test Value minus Margin of Error Percent)
Local Test Value: 504,244,911 (Within Confidence Interval)
State Upper Limit: 551,285,114 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 565,649,314 (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