2008 Confidence Interval Detail
211/Sherman
211-902/Stratford ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 7,354,630 | 0.8163 | 9,009,715 | 9 | 242 | .072881034 |
| A | 8,070,910 | 0.9532 | 8,467,174 | 8 | 149 | .011952438 |
| A | 8,172,770 | 0.9375 | 8,717,621 | 8 | 104 | .012117719 |
| A | 10,954,950 | 0.9323 | 11,750,456 | 13 | 79 | .024766441 |
| D3 | 8,045,320 | 0.8171 | 9,846,188 | 17 | 1,450 | .006232781 |
| G1 | 59,231,500 | 1.0240 | 57,843,262 | 7 | 160 | .004234672 |
| G1 | 58,775,120 | 1.0499 | 55,981,636 | 6 | 79 | .010552618 |
| G1 | 58,811,710 | 0.9913 | 59,327,862 | 6 | 52 | .005208637 |
| G1 | 58,230,260 | 1.0750 | 54,167,684 | 5 | 24 | .011785333 |
| Random Totals: | 277,647,170 | 275,111,598 | 79 | 2,339 | ||
| Catg J Exception Values: | 17,073,920 | 17,074,174 | ||||
| Catg D1 Exception Values: | 38,086,260 | 51,817,949 | ||||
| Total Test Values (4): | 332,807,350 | 344,003,721 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 17,200,186 |
Confidence Interval Values (5)
| State Lower Limit: | 326,803,535 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 332,807,350 | (Within Confidence Interval) |
| State Upper Limit: | 361,203,907 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 408,650,546 | (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