2009 Confidence Interval Detail
008/Austin
008-902/Sealy ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 97,718,437 | 0.9427 | 103,658,043 | 28 | 1,162 | .055793339 |
| A | 100,055,343 | 0.9549 | 104,780,964 | 20 | 704 | .015065183 |
| A | 100,979,675 | 0.9647 | 104,674,692 | 18 | 510 | .017419166 |
| A | 95,656,275 | 0.9483 | 100,871,322 | 14 | 325 | .003271311 |
| D3 | 147,654,980 | 0.9783 | 150,930,165 | 18 | 4,246 | .011591568 |
| F1 | 22,952,468 | 0.9717 | 23,620,941 | 7 | 141 | .002711959 |
| F1 | 20,351,354 | 0.9576 | 21,252,458 | 6 | 49 | .003710441 |
| F1 | 26,380,297 | 0.9703 | 27,187,774 | 7 | 32 | .000242421 |
| F1 | 32,487,060 | 0.9496 | 34,211,310 | 5 | 12 | .001286880 |
| G1 | 14,471,320 | 0.9857 | 14,681,262 | 5 | 16 | .001712691 |
| G1 | 14,742,390 | 0.9420 | 15,650,096 | 4 | 7 | .008253190 |
| G1 | 14,081,730 | 1.1637 | 12,100,825 | 3 | 4 | .023628094 |
| L1 | 11,232,990 | 1.0033 | 11,196,043 | 7 | 183 | .001645207 |
| L1 | 11,812,114 | 1.0396 | 11,362,172 | 5 | 33 | .001364330 |
| L1 | 9,135,554 | 0.9114 | 10,023,649 | 4 | 8 | .017230534 |
| Random Totals: | 719,711,987 | 746,201,716 | 151 | 7,432 | ||
| Catg J Exception Values: | 27,679,452 | 28,151,411 | ||||
| Catg D1 Exception Values: | 12,611,475 | 12,494,992 | ||||
| Catg G1 Exception Values: | 10,621,320 | 9,623,611 | ||||
| Catg L1 Exception Values: | 9,475,081 | 9,205,510 | ||||
| Total Test Values (4): | 780,099,315 | 805,677,240 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 40,283,862 |
Confidence Interval Values (5)
| State Lower Limit: | 765,393,378 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 780,099,315 | (Within Confidence Interval) |
| State Upper Limit: | 845,961,102 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 1,094,723,565 | (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