2006 Confidence Interval Detail
227/Travis
227-904/Pflugerville ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 901,699,445 | 0.9791 | 920,947,242 | 58 | 7,597 | .002155061 |
| A | 901,833,742 | 0.9744 | 925,527,239 | 58 | 6,252 | .001649666 |
| A | 901,432,145 | 0.9899 | 910,629,503 | 61 | 5,270 | .002192639 |
| A | 901,619,239 | 0.9879 | 912,662,455 | 55 | 4,047 | .002490406 |
| B | 82,170,345 | 0.9657 | 85,088,894 | 13 | 247 | .006092509 |
| B | 91,381,969 | 1.0280 | 88,892,966 | 4 | 8 | .002119815 |
| B | 81,165,358 | 1.0485 | 77,410,928 | 3 | 4 | .002604818 |
| F1 | 250,780,712 | 0.9947 | 252,116,932 | 7 | 331 | .024371906 |
| F1 | 250,611,198 | 0.9376 | 267,290,100 | 6 | 83 | .017004155 |
| F1 | 252,006,534 | 0.9562 | 263,550,025 | 5 | 23 | .015151595 |
| F1 | 247,173,464 | 1.0170 | 243,041,754 | 4 | 9 | .014011817 |
| L1 | 176,109,890 | 0.9766 | 180,329,603 | 8 | 465 | .022430884 |
| L1 | 176,860,119 | 0.9753 | 181,339,197 | 7 | 62 | .004270793 |
| L1 | 183,736,417 | 0.9966 | 184,363,252 | 5 | 17 | .000081733 |
| Random Totals: | 5,398,580,577 | 5,493,190,090 | 294 | 24,415 | ||
| Catg D1 Exception Values: | 4,572,571 | 4,256,640 | ||||
| Catg B Exception Values: | 90,878,500 | 86,933,944 | ||||
| Catg L1 Exception Values: | 406,058,454 | 408,943,801 | ||||
| Total Test Values (4): | 5,900,090,102 | 5,993,324,475 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 299,666,224 |
Confidence Interval Values (5)
| State Lower Limit: | 5,693,658,251 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 5,900,090,102 | (Within Confidence Interval) |
| State Upper Limit: | 6,292,990,699 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 5,915,220,526 | (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