2008 Confidence Interval Detail
208/Scurry
208-903/Ira ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| D3 | 8,844,091 | 1.0630 | 8,319,935 | 18 | 824 | .016597954 |
| G1 | 55,030,834 | 0.9541 | 57,678,266 | 9 | 89 | .015957669 |
| G1 | 55,451,652 | 0.9990 | 55,507,159 | 8 | 28 | .000013230 |
| G1 | 53,391,764 | 1.0028 | 53,242,684 | 5 | 12 | .000134365 |
| G1 | 54,435,110 | 0.9998 | 54,445,999 | 3 | 5 | .000026589 |
| Random Totals: | 227,153,451 | 229,194,043 | 43 | 958 | ||
| Catg D1 Exception Values: | 8,098,935 | 7,462,407 | ||||
| Total Test Values (4): | 235,252,386 | 236,656,450 |
Margin of Error
| Margin of Error Percent: | 5.0000002 |
|---|---|
| Margin of Error Value: | 11,832,823 |
Confidence Interval Values (5)
| State Lower Limit: | 224,823,627 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 235,252,386 | (Within Confidence Interval) |
| State Upper Limit: | 248,489,273 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 263,490,931 | (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