2007 Confidence Interval Detail
065/Donley
065-902/Hedley ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 809,455 | 0.9183 | 881,471 | 6 | 77 | .000679239 |
| A | 805,612 | 0.9277 | 868,397 | 6 | 41 | .001415961 |
| A | 817,711 | 0.9829 | 831,937 | 5 | 19 | .021701511 |
| A | 774,279 | 1.0228 | 757,019 | 4 | 10 | .005197798 |
| D3 | 6,506,205 | 0.8507 | 7,648,060 | 20 | 820 | .048933803 |
| L1 | 1,510,190 | 0.9509 | 1,588,169 | 12 | 17 | .035781132 |
| Random Totals: | 11,223,452 | 12,575,053 | 53 | 984 | ||
| Catg J Exception Values: | 5,443,811 | 5,846,354 | ||||
| Catg D1 Exception Values: | 7,871,024 | 10,402,990 | ||||
| Total Test Values (4): | 24,538,287 | 28,824,397 |
Margin of Error
| Margin of Error Percent: | 5.0000005 |
|---|---|
| Margin of Error Value: | 1,441,220 |
Confidence Interval Values (5)
| Local Test Value: | 24,538,287 | (Outside Confidence Interval) |
|---|---|---|
| State Lower Limit: | 27,383,177 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 30,265,617 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 31,714,736 | (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