2011 Confidence Interval Detail
242/Wheeler
242-902/Shamrock ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 8,334,100 | 0.9472 | 8,798,670 | 10 | 384 | .068725276 |
| A | 8,401,220 | 0.9289 | 9,044,267 | 10 | 177 | .042664947 |
| A | 8,410,240 | 0.9707 | 8,664,098 | 10 | 118 | .006503164 |
| A | 8,307,980 | 1.0117 | 8,211,901 | 10 | 73 | .040197200 |
| D3 | 14,287,450 | 0.9603 | 14,878,111 | 16 | 1,436 | .019354689 |
| F1 | 4,333,510 | 0.8843 | 4,900,498 | 9 | 101 | .018443409 |
| F1 | 4,315,860 | 1.0227 | 4,220,065 | 10 | 18 | .002835577 |
| F1 | 3,428,810 | 0.8569 | 4,001,412 | 2 | 3 | .021154386 |
| G1 | 8,071,890 | 1.0577 | 7,631,550 | 9 | 137 | .007201650 |
| G1 | 8,071,880 | 0.9995 | 8,075,918 | 8 | 41 | .006427875 |
| G1 | 9,013,720 | 0.9860 | 9,141,704 | 6 | 18 | .027227454 |
| G1 | 7,106,240 | 0.9694 | 7,330,555 | 2 | 3 | .011855622 |
| L1 | 3,077,010 | 1.0459 | 2,941,973 | 10 | 111 | .009890473 |
| L1 | 3,381,020 | 1.0490 | 3,223,089 | 10 | 24 | .009180398 |
| L1 | 6,082,340 | 0.9965 | 6,103,703 | 7 | 14 | .015493856 |
| Random Totals: | 104,623,270 | 107,167,514 | 129 | 2,658 | ||
| Catg J Exception Values: | 2,599,896 | 2,561,851 | ||||
| Catg D1 Exception Values: | 8,834,990 | 8,753,087 | ||||
| Catg F1 Exception Values: | 3,693,930 | 4,186,782 | ||||
| Total Test Values (4): | 119,752,086 | 122,669,234 |
Margin of Error
| Margin of Error Percent: | 5.0000002 |
|---|---|
| Margin of Error Value: | 6,133,462 |
Confidence Interval Values (5)
| State Lower Limit: | 116,535,772 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 119,752,086 | (Within Confidence Interval) |
| State Upper Limit: | 128,802,696 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 128,882,318 | (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