2011 Confidence Interval Detail
212/Smith
212-901/Arp ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 46,440,583 | 0.9722 | 47,768,549 | 7 | 644 | .005127541 |
| A | 45,872,386 | 0.9539 | 48,089,303 | 16 | 254 | .006735598 |
| A | 54,876,583 | 0.9020 | 60,838,784 | 7 | 189 | .018570305 |
| A | 51,721,161 | 0.9449 | 54,737,180 | 7 | 89 | .027635292 |
| D3 | 59,859,043 | 0.9605 | 62,320,711 | 16 | 2,874 | .043263132 |
| G1 | 18,505,727 | 1.0160 | 18,214,298 | 15 | 133 | .002437723 |
| G1 | 18,750,261 | 0.9951 | 18,842,590 | 11 | 67 | .001571097 |
| G1 | 18,549,096 | 0.9998 | 18,552,807 | 8 | 37 | .002270472 |
| G1 | 18,016,400 | 0.9941 | 18,123,328 | 5 | 10 | .014084865 |
| Random Totals: | 332,591,240 | 347,487,550 | 92 | 4,297 | ||
| Catg D1 Exception Values: | 5,731,337 | 4,498,772 | ||||
| Total Test Values (4): | 338,322,577 | 351,986,322 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 17,599,316 |
Confidence Interval Values (5)
| State Lower Limit: | 334,387,006 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 338,322,577 | (Within Confidence Interval) |
| State Upper Limit: | 369,585,638 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 358,994,001 | (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