taxes Property Tax Assistance

2018 Confidence Interval Detail

057/Dallas
057-916/Richardson ISD

Category Summary

(1)
Category 		(1)
Local
Value 		(1)
Stratum
Ratio 		(1)
State
Value 		(2)
Sample
Size 		(3)
Total
Parcels
Stratum
Variance
A 3,797,500,530 0.9431 4,026,614,919 250 17965 0.016266165
A 3,798,141,960 0.9712 3,910,772,199 249 12268 0.007304018
A 3,796,093,900 0.9752 3,892,631,153 249 9247 0.010697696
A 3,796,971,690 0.9724 3,904,742,585 247 6266 0.004209773
B 607,055,680 0.9607 631,888,914 28 576 0.002049813
B 699,550,200 0.8618 811,731,492 9 58 0.055179510
B 688,780,890 0.8649 796,370,552 8 30 0.046915354
B 860,397,410 1.0227 841,299,902 6 18 0.005258349
F1 1,324,445,650 0.9108 1,454,156,401 20 898 0.031478139
F1 1,372,094,350 1.0537 1,302,167,932 9 259 0.137681899
F1 1,330,463,820 0.8592 1,548,491,411 10 78 0.029756253
F1 1,290,038,680 0.8311 1,552,206,329 8 19 0.055915742
L1 489,971,440 1.0341 473,814,370 12 2005 0.002473075
L1 479,506,000 0.9829 487,848,204 11 238 0.003027864
L1 557,079,520 1.0100 551,563,881 10 57 0.006494813
L1 444,014,620 0.9811 452,568,158 4 7 0.017965053
Random Totals: 25,332,106,340 26,638,868,402 1,130 49,989
CATG D1 EXCEPTION VALUES: 2,685 2,507
CATG J EXCEPTION VALUES: 131,760,683 139,440,824
Total Test Values(2) 25,463,869,708 26,778,311,733

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 1,338,915,587

Confidence Interval Values(5)

Local Test Value: 25,463,869,708 WITHIN CONFIDENCE INTERVAL
State Lower Limit: 25,439,396,146 (State Test Value minus Margin of Error Percent)
State Upper Limit: 28,117,227,320 (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