2007 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 | 7,986,858 | 0.8911 | 8,962,920 | 13 | 276 | .039835798 |
| A | 7,966,907 | 1.0568 | 7,538,708 | 12 | 149 | .007816106 |
| A | 8,008,783 | 0.9980 | 8,024,833 | 11 | 102 | .007759147 |
| A | 7,827,616 | 0.9481 | 8,256,108 | 8 | 56 | .020142518 |
| D3 | 10,615,930 | 0.8909 | 11,915,961 | 20 | 1,586 | .085610869 |
| G1 | 49,432,630 | 1.0302 | 47,983,527 | 12 | 148 | .018740908 |
| G1 | 49,641,890 | 1.0584 | 46,902,768 | 11 | 74 | .012787147 |
| G1 | 49,687,610 | 1.0345 | 48,030,556 | 10 | 49 | .006397139 |
| G1 | 48,459,150 | 1.0290 | 47,093,440 | 8 | 23 | .006109371 |
| Random Totals: | 239,627,374 | 234,708,821 | 105 | 2,463 | ||
| Catg J Exception Values: | 20,438,400 | 22,033,203 | ||||
| Catg D1 Exception Values: | 53,736,460 | 50,446,484 | ||||
| Total Test Values (4): | 313,802,234 | 307,188,508 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 15,359,425 |
Confidence Interval Values (5)
| State Lower Limit: | 291,829,083 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 313,802,234 | (Within Confidence Interval) |
| State Upper Limit: | 322,547,933 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 384,570,197 | (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
