taxes Property Tax

School and Appraisal Districts Property Value Study 2014 Report

2014 Confidence Interval Detail
090/Gray
090-903/McLean ISD

Category Summary

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

Stratum
Variance
A 2,805,540 0.8518 3,293,660 9 212 .121631562
A 2,483,480 1.1078 2,241,813 9 90 .052860448
A 3,176,220 1.0437 3,043,231 9 67 .193139334
A 5,445,650 0.8972 6,069,605 8 53 .014493775
E 17,628,540 1.0412 16,930,983 15 221 .285175783
G1 15,587,310 1.0299 15,134,780 10 213 .047142129
G1 15,620,440 1.0393 15,029,770 9 90 .008967279
G1 15,784,890 1.1147 14,160,662 8 39 .033498154
G1 14,968,700 0.9932 15,071,184 5 11 .024611024
Random Totals: 93,500,770   90,975,688 82 996  
Catg J Exception Values: 814   777      
Catg D1 Exception Values: 6,408,460   5,701,262      
Total Test Values (4): 99,910,044   96,677,727      

Margin of Error

Margin of Error Percent: 5.8162362
Margin of Error Value: 5,623,005

Confidence Interval Values (5)

State Lower Limit: 91,054,722 (State Test Value minus Margin of Error Percent)
Local Test Value: 99,910,044 (Within Confidence Interval)
State Upper Limit: 102,300,732 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 132,835,880 (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