2006 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 | 25,239,830 | 0.8732 | 28,904,982 | 32 | 1,115 | .061260315 |
| D3 | 9,708,430 | 0.9297 | 10,442,541 | 15 | 1,470 | .257209104 |
| F1 | 15,821,730 | 0.8787 | 18,005,838 | 10 | 348 | .053326714 |
| G1 | 15,873,070 | 1.3229 | 11,998,692 | 7 | 179 | .071086740 |
| G1 | 15,947,225 | 1.2716 | 12,541,070 | 6 | 75 | .022757182 |
| G1 | 18,810,925 | 1.0079 | 18,663,483 | 5 | 16 | .119812123 |
| L1 | 8,293,080 | 1.0199 | 8,131,268 | 10 | 233 | .001187744 |
| Random Totals: | 109,694,290 | 108,687,874 | 85 | 3,436 | ||
| Catg J Exception Values: | 5,546,222 | 7,203,048 | ||||
| Catg D1 Exception Values: | 11,103,090 | 12,895,424 | ||||
| Catg G1 Exception Values: | 37,727,931 | 37,622,298 | ||||
| Total Test Values (4): | 164,071,533 | 166,408,644 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 8,320,432 |
Confidence Interval Values (5)
| State Lower Limit: | 158,088,212 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 164,071,533 | (Within Confidence Interval) |
| State Upper Limit: | 174,729,076 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 163,422,082 | (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
