taxes Property Tax Assistance

2016 Confidence Interval Detail

057/Dallas
057-909/Garland ISD

Category Summary

(1)
Category		 (1)
Local
Value		 (1)
Stratum
Ratio		 (1)
State
Value		 (2)
Sample
Size		 (3)
Total
Parcels
Stratum
Variance
A 2,899,399,020 0.9606 3,018,320,862 56 26,149 .010192520
A 2,899,289,500 0.9901 2,928,279,467 77 19,021 .004945767
A 2,897,741,930 0.9832 2,947,255,828 49 14,348 .004893790
A 2,898,368,740 0.9814 2,953,300,122 57 9,571 .005608732
B 233,374,260 0.9840 237,168,963 15 980 .002102877
B 186,043,650 0.6956 267,457,806 9 42 .058332583
B 279,194,690 0.7136 391,248,164 9 25 .028114923
B 218,145,730 0.8985 242,788,792 4 8 .001934213
C1 60,594,670 0.9850 61,517,431 15 1,034 .002481811
C1 65,253,700 0.8765 74,448,032 12 312 .021257064
C1 72,801,510 0.9820 74,135,957 9 133 .001040507
C1 111,114,160 1.0170 109,256,794 8 39 .002232566
F1 623,896,070 0.9622 648,405,810 19 1,265 .018622555
F1 605,873,770 0.9540 635,087,809 13 363 .061095929
F1 633,055,460 0.7982 793,103,809 10 148 .066520343
F1 723,368,550 0.9597 753,744,451 9 58 .008649083
L1 248,816,480 0.9671 257,281,026 10 1,479 .050099529
L1 246,105,720 1.0140 242,707,811 10 265 .003327055
L1 255,228,440 1.0468 243,817,768 9 70 .012884564
L1 394,019,340 1.0067 391,396,980 7 24 .000166433
Random Totals: 16,551,685,390   17,270,723,682 407 75,334  
Catg D1 Exception Values: 387,895   418,658      
Total Test Values (4): 16,552,073,285   17,271,142,340      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 863,557,117

Confidence Interval Values (5)

State Lower Limit: 16,407,585,223 (State Test Value minus Margin of Error Percent)
Local Test Value: 16,552,073,285 (Within Confidence Interval)
State Upper Limit: 18,134,699,457 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 15,398,541,406 (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