2008 Confidence Interval Detail
231/Upton
231-901/McCamey ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 5,007,400 | 0.6676 | 7,500,599 | 7 | 341 | .036581449 |
| A | 5,268,020 | 0.6547 | 8,046,464 | 7 | 200 | .016198467 |
| A | 5,398,210 | 0.8289 | 6,512,498 | 7 | 128 | .007835472 |
| A | 6,541,130 | 0.8426 | 7,763,031 | 9 | 82 | .020902202 |
| G1 | 314,678,796 | 0.9855 | 319,308,773 | 7 | 198 | .032169495 |
| G1 | 318,256,468 | 1.0568 | 301,151,086 | 7 | 66 | .003873584 |
| G1 | 409,345,969 | 0.9957 | 411,113,758 | 5 | 21 | .001601755 |
| Random Totals: | 1,064,495,993 | 1,061,396,209 | 49 | 1,036 | ||
| Catg D1 Exception Values: | 997,956 | 1,343,539 | ||||
| Catg G1 Exception Values: | 215,123,195 | 206,054,513 | ||||
| Total Test Values (4): | 1,280,617,144 | 1,268,794,261 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 63,439,713 |
Confidence Interval Values (5)
| State Lower Limit: | 1,205,354,548 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 1,280,617,144 | (Within Confidence Interval) |
| State Upper Limit: | 1,332,233,974 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 1,587,811,008 | (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