2009 Confidence Interval Detail
079/Fort Bend
079-906/Needville ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 102,458,630 | 0.9592 | 106,816,754 | 9 | 1,446 | .001958868 |
| A | 90,632,330 | 0.9800 | 92,481,969 | 9 | 724 | .003933208 |
| A | 102,626,490 | 0.9615 | 106,735,819 | 11 | 600 | .004650389 |
| A | 105,537,165 | 0.9769 | 108,032,721 | 8 | 416 | .009812974 |
| D3 | 105,641,535 | 0.9286 | 113,764,306 | 15 | 4,355 | .042004630 |
| Random Totals: | 506,896,150 | 527,831,569 | 52 | 7,541 | ||
| Catg J Exception Values: | 26,853,580 | 20,169,830 | ||||
| Catg D1 Exception Values: | 22,874,070 | 19,081,851 | ||||
| Total Test Values (4): | 556,623,800 | 567,083,250 |
Margin of Error
| Margin of Error Percent: | 5.0000001 |
|---|---|
| Margin of Error Value: | 28,354,163 |
Confidence Interval Values (5)
| State Lower Limit: | 538,729,087 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 556,623,800 | (Within Confidence Interval) |
| State Upper Limit: | 595,437,413 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 587,557,890 | (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