taxes School and Appraisal Districts Property Value Study 2011 Report

School and Appraisal Districts Property Value Study 2011 Report

2011 Confidence Interval Detail
252/Young
252-903/Olney ISD

Category Summary

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

Stratum
Variance
A 10,868,330 0.6884 15,787,812 12 520 .145201328
A 11,088,480 0.8967 12,365,875 11 264 .150362783
A 11,064,130 0.9389 11,784,141 11 179 .014662405
A 10,944,780 0.8651 12,651,462 11 104 .024912165
D3 9,106,540 0.6119 14,882,399 15 1,025 .049143119
F1 2,039,550 0.6865 2,970,940 9 72 .049426260
F1 2,510,330 0.7021 3,575,459 7 29 .053886810
F1 1,692,010 0.8979 1,884,408 4 7 .036324190
F1 1,974,930 0.9878 1,999,322 3 4 .006747988
G1 5,052,380 1.0322 4,894,768 8 36 .016878565
G1 5,303,360 0.9993 5,307,075 4 7 .001799578
G1 5,431,300 1.0369 5,238,017 3 4 .004228781
Random Totals: 77,076,120   93,341,678 98 2,251  
Catg D1 Exception Values: 8,964,240   9,818,766      
Catg G1 Exception Values: 9,575,750   9,306,493      
Total Test Values (4): 95,616,110   112,466,937      

Margin of Error

Margin of Error Percent: 5.0000001
Margin of Error Value: 5,623,347

Confidence Interval Values (5)

Local Test Value: 95,616,110 (Outside Confidence Interval)
State Lower Limit: 106,843,590 (State Test Value minus Margin of Error Percent)
State Upper Limit: 118,090,284 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 160,463,318 (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