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2018 Confidence Interval Detail

070/Ellis
070-903/Ennis ISD

Category Summary

(1)
Category 		(1)
Local
Value 		(1)
Stratum
Ratio 		(1)
State
Value 		(2)
Sample
Size 		(3)
Total
Parcels
Stratum
Variance
A 147,529,336 0.8434 174,922,144 14 2207 0.023891982
A 167,589,684 0.9397 178,343,816 24 1439 0.007965963
A 181,978,776 0.9541 190,733,441 54 1083 0.013182890
A 206,880,743 0.9633 214,762,528 31 720 0.010004646
E 223,666,476 0.9600 232,985,913 22 1885 0.042832795
F1 62,909,457 0.7070 88,980,844 14 242 0.146628925
F1 64,080,093 0.7023 91,243,191 12 61 0.057566094
F1 85,511,530 0.6859 124,670,550 8 22 0.117310802
F1 39,386,040 0.8294 47,487,388 2 2 0.000000752
L1 25,519,484 1.0570 24,143,315 10 152 0.092958903
L1 27,835,784 0.9473 29,384,339 9 34 0.015906057
L1 23,797,580 0.9923 23,982,243 5 9 0.017557516
L1 24,875,080 0.9486 26,222,939 2 4 0.004801757
Random Totals: 1,281,560,063 1,447,862,651 207 7,860
CATG D1 EXCEPTION VALUES: 19,400,720 11,291,984
CATG J EXCEPTION VALUES: 63,904,888 52,113,053
CATG L1 EXCEPTION VALUES: 103,582,470 100,402,511
Total Test Values(3) 1,468,448,141 1,611,670,199

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 80,583,510

Confidence Interval Values(5)

Local Test Value: 1,468,448,141 OUTSIDE CONFIDENCE INTERVAL
State Lower Limit: 1,531,086,689 (State Test Value minus Margin of Error Percent)
State Upper Limit: 1,692,253,709 (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