2008 Confidence Interval Detail
219/Swisher
219-901/Happy ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 1,927,030 | 0.8292 | 2,323,963 | 8 | 97 | .048246650 |
| A | 2,088,220 | 0.9206 | 2,268,325 | 8 | 52 | .018279215 |
| A | 1,668,890 | 0.9478 | 1,760,804 | 7 | 27 | .025776367 |
| A | 3,424,730 | 1.0621 | 3,224,489 | 7 | 34 | .008222179 |
| D3 | 4,652,020 | 0.9468 | 4,913,414 | 22 | 701 | .020805460 |
| Random Totals: | 13,760,890 | 14,490,995 | 52 | 911 | ||
| Catg J Exception Values: | 4,953,384 | 4,851,970 | ||||
| Catg D1 Exception Values: | 10,641,691 | 10,915,501 | ||||
| Total Test Values (4): | 29,355,965 | 30,258,466 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 1,512,923 |
Confidence Interval Values (5)
| State Lower Limit: | 28,745,543 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 29,355,965 | (Within Confidence Interval) |
| State Upper Limit: | 31,771,389 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 37,103,511 | (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
