2008 Confidence Interval Detail
019/Bowie
019-907/Texarkana ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 165,149,901 | 0.9486 | 174,098,567 | 46 | 3,501 | .015837307 |
| A | 172,782,887 | 0.9666 | 178,753,245 | 45 | 1,997 | .010259861 |
| A | 189,378,693 | 0.9718 | 194,874,144 | 44 | 1,501 | .007345745 |
| A | 181,123,012 | 0.9756 | 185,652,944 | 18 | 750 | .002631737 |
| F1 | 125,462,807 | 0.9260 | 135,488,992 | 8 | 549 | .003085080 |
| F1 | 138,365,765 | 1.0061 | 137,526,851 | 7 | 158 | .015531636 |
| F1 | 141,902,969 | 1.0999 | 129,014,428 | 6 | 63 | .019245981 |
| F1 | 149,321,051 | 0.9462 | 157,811,299 | 5 | 20 | .015623742 |
| L1 | 59,411,884 | 1.0304 | 57,659,049 | 7 | 553 | .002594962 |
| L1 | 64,418,589 | 1.0230 | 62,970,273 | 7 | 134 | .005665260 |
| L1 | 76,099,127 | 0.9946 | 76,512,293 | 8 | 48 | .001724706 |
| L1 | 35,482,768 | 1.0438 | 33,993,838 | 4 | 7 | .001585988 |
| Random Totals: | 1,498,899,453 | 1,524,355,923 | 205 | 9,281 | ||
| Catg D1 Exception Values: | 737,804 | 809,292 | ||||
| Total Test Values (4): | 1,499,637,257 | 1,525,165,215 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 76,258,261 |
Confidence Interval Values (5)
| State Lower Limit: | 1,448,906,954 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 1,499,637,257 | (Within Confidence Interval) |
| State Upper Limit: | 1,601,423,476 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 1,816,953,020 | (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