2009 Confidence Interval Detail
186/Pecos
186-903/Iraan-Sheffield ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| D3 | 5,977,450 | 0.9900 | 6,037,828 | 15 | 3,633 | .000036119 |
| G1 | 15,809,740 | 1.0945 | 14,444,714 | 4 | 10 | .029487926 |
| G1 | 17,037,170 | 1.0104 | 16,861,807 | 3 | 5 | .000549898 |
| G1 | 17,875,413 | 0.9943 | 17,977,887 | 2 | 3 | .000229302 |
| Random Totals: | 56,699,773 | 55,322,236 | 24 | 3,651 | ||
| Catg D1 Exception Values: | 3,774,620 | 10,202,722 | ||||
| Catg G1 Exception Values: | 1,158,839,339 | 1,193,057,142 | ||||
| Total Test Values (4): | 1,219,313,732 | 1,258,582,100 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 62,929,105 |
Confidence Interval Values (5)
| State Lower Limit: | 1,195,652,995 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 1,219,313,732 | (Within Confidence Interval) |
| State Upper Limit: | 1,321,511,205 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 1,617,261,946 | (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