taxes Property Tax

School and Appraisal Districts Property Value Study 2015 Report

2015 Confidence Interval Detail
014/Bell
014-902/Bartlett ISD

Category Summary

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

Stratum
Variance
A 2,988,161 0.8988 3,324,612 9 91 .161354211
A 3,298,591 0.9683 3,406,580 8 56 .054432593
A 3,006,406 1.0851 2,770,626 8 35 .033952106
A 3,662,468 0.8789 4,167,104 7 29 .010792476
E 11,183,274 0.8392 13,326,113 10 139 .058837645
F1 1,604,721 0.9835 1,631,643 8 47 .002905526
L1 582,484 1.0115 575,862 8 22 .005827549
L1 2,721,709 1.0043 2,710,056 8 19
Random Totals: 29,047,814   31,912,596 66 438  
Catg J Exception Values: 2,121,884   2,148,683      
Catg D1 Exception Values: 7,156,148   11,139,611      
Catg F1 Exception Values: 789,871   782,198      
Total Test Values (4): 39,115,717   45,983,088      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 2,299,154

Confidence Interval Values (5)

Local Test Value: 39,115,717 (Outside Confidence Interval)
State Lower Limit: 43,683,934 (State Test Value minus Margin of Error Percent)
State Upper Limit: 48,282,242 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 48,557,470 (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