taxes Property Tax Assistance

2018 Confidence Interval Detail

070/Ellis
070-912/Waxahachie ISD

Category Summary

(1)
Category 		(1)
Local
Value 		(1)
Stratum
Ratio 		(1)
State
Value 		(2)
Sample
Size 		(3)
Total
Parcels
Stratum
Variance
A 399,912,618 0.9124 438,308,437 70 3333 0.016321304
A 569,592,078 0.9519 598,373,861 75 3141 0.008887793
A 691,899,174 0.9607 720,203,158 79 2936 0.010755772
A 725,840,883 0.9814 739,597,395 63 1991 0.004929999
B 41,448,501 0.7551 54,891,406 11 153 0.041603332
B 46,988,660 0.8022 58,574,744 5 8 0.015166025
B 46,734,680 0.8852 52,795,617 2 3 0.018424648
E 214,598,514 0.9211 232,980,690 16 1374 0.024207016
F1 131,344,501 0.7868 166,935,055 11 326 0.022029825
F1 137,983,824 0.8713 158,365,459 10 96 0.035831138
F1 125,624,349 0.7434 168,986,211 9 29 0.084021971
F1 122,778,340 0.7822 156,965,405 6 10 0.061707351
L1 51,212,976 0.9287 55,144,800 12 276 0.104256417
L1 52,461,862 1.0155 51,661,115 11 65 0.088296103
L1 68,475,090 1.0041 68,195,488 7 21 0.041297572
L1 46,774,210 0.9250 50,566,714 3 5 0.004023587
Random Totals: 3,473,670,260 3,772,545,555 390 13,767
CATG B EXCEPTION VALUES: 51,919,430 52,591,983
CATG D1 EXCEPTION VALUES: 19,201,855 13,738,874
CATG L1 EXCEPTION VALUES: 104,938,060 92,714,509
Total Test Values(3) 3,649,729,605 3,931,590,921

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 196,579,546

Confidence Interval Values(5)

Local Test Value: 3,649,729,605 OUTSIDE CONFIDENCE INTERVAL
State Lower Limit: 3,735,011,375 (State Test Value minus Margin of Error Percent)
State Upper Limit: 4,128,170,467 (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