taxes Property Tax Assistance

2018 Confidence Interval Detail

127/Jones
127-906/Stamford ISD

Category Summary

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

Stratum
Variance
A 12,517,650 1.0240 12,224,268 18 476 0.076108990
A 12,658,310 1.0159 12,460,193 16 266 0.068370672
A 12,487,760 0.8794 14,200,318 16 161 0.045597217
A 12,492,200 0.9648 12,947,968 14 94 0.026259506
E 10,829,440 0.8172 13,251,884 18 240 0.095920340
F1 1,960,480 0.9142 2,144,476 9 78 0.011033613
F1 1,923,560 0.9015 2,133,733 7 26 0.021653749
F1 2,144,380 0.9089 2,359,313 6 14 0.013609290
F1 1,847,400 0.8179 2,258,711 3 4 0.039469548
Random Totals: 68,861,180 73,980,864 107 1,359
CATG D1 EXCEPTION VALUES: 2,721,340 2,696,683
CATG J EXCEPTION VALUES: 3,101,040 3,358,233
Total Test Values(2) 74,683,560 80,035,780

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 4,001,789

Confidence Interval Values(5)

Local Test Value: 74,683,560 OUTSIDE CONFIDENCE INTERVAL
State Lower Limit: 76,033,991 (State Test Value minus Margin of Error Percent)
State Upper Limit: 84,037,569 (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