2007 Confidence Interval Detail
086/Gillespie
086-902/Harper ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 8,027,827 | 0.8545 | 9,394,765 | 7 | 128 | .032161638 |
| A | 8,027,723 | 0.9871 | 8,132,634 | 6 | 78 | .005764785 |
| A | 7,940,755 | 0.8598 | 9,235,584 | 6 | 57 | .020823542 |
| A | 7,896,899 | 0.9373 | 8,425,156 | 6 | 39 | .002050848 |
| D3 | 254,634,934 | 0.9244 | 275,459,686 | 28 | 5,453 | .023535240 |
| Random Totals: | 286,528,138 | 310,647,825 | 53 | 5,755 | ||
| Catg D1 Exception Values: | 14,086,161 | 14,374,868 | ||||
| Total Test Values (4): | 300,614,299 | 325,022,693 |
Margin of Error
| Margin of Error Percent: | 5.0000001 |
|---|---|
| Margin of Error Value: | 16,251,135 |
Confidence Interval Values (5)
| Local Test Value: | 300,614,299 | (Outside Confidence Interval) |
|---|---|---|
| State Lower Limit: | 308,771,558 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 341,273,828 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 266,026,899 | (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