2007 Confidence Interval Detail
062/Dewitt
062-904/Yorktown ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 7,983,389 | 0.9997 | 7,985,785 | 9 | 351 | .006705177 |
| A | 7,906,752 | 0.9682 | 8,166,445 | 9 | 213 | .008159424 |
| A | 7,902,555 | 1.0080 | 7,839,836 | 9 | 161 | .027557085 |
| A | 7,908,801 | 0.9820 | 8,053,769 | 8 | 99 | .007303075 |
| D3 | 27,933,790 | 0.9831 | 28,413,986 | 20 | 3,525 | .071646312 |
| F1 | 1,637,851 | 1.0197 | 1,606,209 | 6 | 56 | .004828818 |
| F1 | 1,600,226 | 0.9840 | 1,626,246 | 5 | 22 | .004892562 |
| F1 | 1,991,101 | 0.9299 | 2,141,199 | 4 | 9 | .003962613 |
| G1 | 6,973,700 | 0.9229 | 7,556,290 | 7 | 11 | .010987267 |
| Random Totals: | 71,838,165 | 73,389,765 | 77 | 4,447 | ||
| Catg J Exception Values: | 4,875,455 | 4,753,796 | ||||
| Catg D1 Exception Values: | 11,351,770 | 8,237,001 | ||||
| Catg F1 Exception Values: | 1,080,840 | 1,186,754 | ||||
| Catg G1 Exception Values: | 18,470,760 | 19,489,219 | ||||
| Total Test Values (4): | 107,616,990 | 107,056,535 |
Margin of Error
| Margin of Error Percent: | 5.0000002 |
|---|---|
| Margin of Error Value: | 5,352,827 |
Confidence Interval Values (5)
| State Lower Limit: | 101,703,708 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 107,616,990 | (Within Confidence Interval) |
| State Upper Limit: | 112,409,362 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 117,954,507 | (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