2007 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 | 7,140,497 | 0.8474 | 8,426,359 | 14 | 453 | .137341505 |
| A | 7,143,607 | 0.9887 | 7,225,252 | 14 | 175 | .071142914 |
| A | 7,154,706 | 0.9290 | 7,701,513 | 14 | 113 | .021295632 |
| A | 5,732,489 | 0.9673 | 5,926,278 | 12 | 56 | .004974583 |
| D3 | 11,434,844 | 0.9282 | 12,319,375 | 20 | 1,457 | .234120586 |
| F1 | 16,814,600 | 0.9381 | 17,924,102 | 20 | 224 | .032343323 |
| G1 | 14,255,004 | 1.2964 | 10,995,838 | 15 | 205 | .130862639 |
| G1 | 14,363,280 | 1.2411 | 11,573,024 | 15 | 78 | .040449249 |
| G1 | 14,262,323 | 1.1371 | 12,542,717 | 15 | 24 | .036286323 |
| Random Totals: | 98,301,350 | 94,634,458 | 139 | 2,785 | ||
| Catg J Exception Values: | 4,301,333 | 4,398,437 | ||||
| Catg D1 Exception Values: | 11,540,360 | 12,996,667 | ||||
| Catg G1 Exception Values: | 14,001,574 | 14,874,374 | ||||
| Total Test Values (4): | 128,144,617 | 126,903,936 |
Margin of Error
| Margin of Error Percent: | 5.0000002 |
|---|---|
| Margin of Error Value: | 6,345,197 |
Confidence Interval Values (5)
| State Lower Limit: | 120,558,739 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 128,144,617 | (Within Confidence Interval) |
| State Upper Limit: | 133,249,133 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 137,960,346 | (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