2007 Confidence Interval Detail
249/Wise
249-901/Alvord ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 13,749,565 | 1.1077 | 12,412,716 | 8 | 201 | .014425890 |
| A | 13,707,135 | 1.1310 | 12,119,483 | 13 | 129 | .048064518 |
| A | 13,877,997 | 1.0370 | 13,382,832 | 17 | 93 | .019077951 |
| A | 13,574,414 | 0.9863 | 13,762,967 | 8 | 55 | .003802424 |
| D3 | 86,467,060 | 1.0023 | 86,268,642 | 26 | 2,271 | .051822040 |
| G1 | 10,638,640 | 1.0070 | 10,564,687 | 6 | 81 | .037287307 |
| G1 | 10,987,400 | 1.1028 | 9,963,185 | 6 | 27 | .033863065 |
| G1 | 12,305,090 | 1.0100 | 12,183,257 | 3 | 6 | .002952716 |
| Random Totals: | 175,307,301 | 170,657,769 | 87 | 2,863 | ||
| Catg J Exception Values: | 12,581,682 | 13,022,080 | ||||
| Catg D1 Exception Values: | 3,169,480 | 2,865,353 | ||||
| Catg G1 Exception Values: | 7,893,730 | 7,615,112 | ||||
| Total Test Values (4): | 198,952,193 | 194,160,314 |
Margin of Error
| Margin of Error Percent: | 5.0000002 |
|---|---|
| Margin of Error Value: | 9,708,016 |
Confidence Interval Values (5)
| State Lower Limit: | 184,452,298 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 198,952,193 | (Within Confidence Interval) |
| State Upper Limit: | 203,868,330 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 212,630,923 | (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