taxes Property Tax Assistance

2018 Confidence Interval Detail

246/Williamson
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 4,721,293 0.9118 5,177,992 13 109 0.060932022
A 6,224,688 1.0122 6,149,662 16 83 0.031552804
A 8,949,236 0.9580 9,341,582 15 88 0.063556826
A 12,701,716 0.9487 13,388,549 13 81 0.012176643
E 8,649,545 0.9797 8,828,769 18 182 0.014149886
F1 972,251 0.9566 1,016,361 7 19 0.005287372
F1 1,546,460 0.9865 1,567,623 6 16 0.008206844
F1 1,218,602 1.0110 1,205,343 3 4 0.003708955
L1 1,267,967 1.4413 879,738 8 31 0.035749568
Random Totals: 46,251,758 47,555,619 99 613
CATG D1 EXCEPTION VALUES: 5,563,524 6,418,226
CATG F1 EXCEPTION VALUES: 678,256 688,500
CATG J EXCEPTION VALUES: 2,677,307 3,054,163
CATG L1 EXCEPTION VALUES: 777,100 777,100
Total Test Values(4) 55,947,945 58,493,608

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 2,924,680

Confidence Interval Values(5)

Local Test Value: 55,947,945 WITHIN CONFIDENCE INTERVAL
State Lower Limit: 55,568,928 (State Test Value minus Margin of Error Percent)
State Upper Limit: 61,418,288 (State Test Value plus Margin of Error Percent)

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, D2, E, F1, G1, G2, or L1 marked as exception properties
(5) Unstudied categories and sub-categories were not included in the Confidence Interval Values