2009 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 | 225,276,160 | 1.0061 | 223,910,307 | 23 | 7,297 | .003870488 |
| A | 215,406,080 | 0.9776 | 220,341,735 | 30 | 4,007 | .002891262 |
| A | 224,735,160 | 0.9737 | 230,805,340 | 32 | 2,677 | .001664240 |
| A | 224,220,160 | 0.9981 | 224,646,989 | 29 | 1,388 | .003630615 |
| F1 | 102,287,290 | 1.1044 | 92,617,974 | 7 | 426 | .028558522 |
| F1 | 113,723,700 | 0.9384 | 121,188,939 | 6 | 59 | .003791660 |
| F1 | 190,779,220 | 1.0377 | 183,848,145 | 6 | 19 | .002857785 |
| L1 | 50,874,360 | 0.9964 | 51,058,169 | 7 | 533 | .004896861 |
| L1 | 49,131,230 | 1.0212 | 48,111,271 | 6 | 77 | .005049006 |
| L1 | 61,080,500 | 0.9924 | 61,548,267 | 5 | 25 | .001529310 |
| L1 | 68,100,240 | 0.9939 | 68,518,201 | 3 | 9 | .002553797 |
| Random Totals: | 1,525,614,100 | 1,526,595,337 | 154 | 16,517 | ||
| Catg J Exception Values: | 61,584,225 | 60,505,450 | ||||
| Catg D1 Exception Values: | 294,730 | 215,066 | ||||
| Total Test Values (4): | 1,587,493,055 | 1,587,315,853 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 79,365,793 |
Confidence Interval Values (5)
| State Lower Limit: | 1,507,950,060 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 1,587,493,055 | (Within Confidence Interval) |
| State Upper Limit: | 1,666,681,646 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 4,949,580,314 | (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