taxes Property Tax Assistance

2018 Confidence Interval Detail

123/Jefferson
123-907/Port Arthur ISD

Category Summary

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

Stratum
Variance
A 220,948,516 1.0221 216,171,134 32 6,764 .071323646
A 208,604,391 1.0067 207,216,044 31 3,614 .040258099
A 218,690,530 0.9863 221,728,206 43 2,550 .059207421
A 185,504,612 0.9984 185,801,895 33 1,118 .054357986
B 47,394,210 0.7852 60,359,412 5 32 .032164924
B 37,605,210 0.8056 46,679,754 2 3 .000905314
F1 223,753,250 0.8780 254,844,248 7 481 .009697737
F1 218,216,610 0.9891 220,621,383 6 35 .001272869
L1 55,858,927 0.9544 58,527,794 7 477 .022498319
L1 54,060,000 1.0046 53,812,463 7 80 .001738947
L1 51,374,770 0.9754 52,670,463 7 25 .003815390
L1 61,532,060 0.9804 62,762,199 4 9 .004808608
Random Totals: 1,583,543,086   1,641,194,995 184 15,188  
Catg J Exception Values: 12,299,623   11,553,486      
Catg D1 Exception Values: 413,460   294,233      
Total Test Values (4): 1,596,256,169   1,653,042,714      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 82,652,135

Confidence Interval Values (5)

State Lower Limit: 1,570,390,579 (State Test Value minus Margin of Error Percent)
Local Test Value: 1,596,256,169 (Within Confidence Interval)
State Upper Limit: 1,735,694,849 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 6,144,477,094 (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, 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
(6) Includes local value of unstudied property categories and sub-categories