2008 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 | 6,091,520 | 0.9922 | 6,139,407 | 12 | 380 | .067323468 |
| A | 6,846,250 | 0.9741 | 7,028,283 | 7 | 169 | .048303608 |
| A | 8,984,060 | 0.9543 | 9,414,293 | 7 | 150 | .025798735 |
| A | 9,996,910 | 0.9780 | 10,221,789 | 6 | 97 | .017361208 |
| D3 | 12,646,710 | 0.9624 | 13,140,804 | 20 | 1,396 | .038754908 |
| F1 | 4,110,040 | 0.8345 | 4,925,153 | 6 | 103 | .021737171 |
| F1 | 3,584,360 | 0.6935 | 5,168,508 | 5 | 17 | .340891669 |
| G1 | 15,609,350 | 1.0725 | 14,554,172 | 15 | 167 | .036876043 |
| G1 | 15,534,490 | 1.0339 | 15,025,138 | 14 | 54 | .005458956 |
| G1 | 16,709,170 | 1.0372 | 16,109,882 | 8 | 14 | .011411730 |
| L1 | 2,239,060 | 0.8574 | 2,611,453 | 6 | 90 | .112069311 |
| L1 | 2,009,650 | 1.0684 | 1,880,990 | 5 | 19 | .017630923 |
| L1 | 1,839,110 | 0.9738 | 1,888,591 | 4 | 9 | .002592084 |
| L1 | 3,706,300 | 0.9210 | 4,024,213 | 3 | 9 | .047695242 |
| Random Totals: | 109,906,980 | 112,132,676 | 118 | 2,674 | ||
| Catg J Exception Values: | 6,943,933 | 6,548,228 | ||||
| Catg D1 Exception Values: | 10,731,730 | 9,536,013 | ||||
| Catg F1 Exception Values: | 7,951,800 | 10,337,203 | ||||
| Catg G1 Exception Values: | 14,298,180 | 14,549,454 | ||||
| Total Test Values (4): | 149,832,623 | 153,103,574 |
Margin of Error
| Margin of Error Percent: | 5.0000002 |
|---|---|
| Margin of Error Value: | 7,655,179 |
Confidence Interval Values (5)
| State Lower Limit: | 145,448,395 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 149,832,623 | (Within Confidence Interval) |
| State Upper Limit: | 160,758,753 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 154,742,031 | (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