2009 Confidence Interval Detail
074/Fannin
074-917/Sam Rayburn ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 6,853,260 | 0.9631 | 7,115,834 | 7 | 176 | .006491242 |
| A | 7,307,770 | 0.8737 | 8,364,164 | 7 | 109 | .051195718 |
| A | 6,443,180 | 0.9979 | 6,456,739 | 6 | 65 | .008854281 |
| A | 7,564,840 | 1.0058 | 7,521,217 | 6 | 43 | .029873916 |
| D3 | 59,674,440 | 1.0302 | 57,925,102 | 22 | 2,276 | .030338922 |
| Random Totals: | 87,843,490 | 87,383,056 | 48 | 2,669 | ||
| Catg D1 Exception Values: | 6,917,890 | 6,547,251 | ||||
| Total Test Values (4): | 94,761,380 | 93,930,307 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 4,696,515 |
Confidence Interval Values (5)
| State Lower Limit: | 89,233,792 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 94,761,380 | (Within Confidence Interval) |
| State Upper Limit: | 98,626,822 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 80,379,169 | (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