2007 Confidence Interval Detail
090/Gray
090-904/Pampa ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| D3 | 84,917,840 | 0.9917 | 85,628,557 | 21 | 329,374 | .016054506 |
| G1 | 18,450,582 | 1.0091 | 18,284,196 | 7 | 98 | .003380775 |
| G1 | 18,977,680 | 1.0350 | 18,335,923 | 6 | 38 | .020019460 |
| G1 | 17,668,748 | 0.9868 | 17,905,095 | 5 | 13 | .007126926 |
| G1 | 18,207,289 | 0.9976 | 18,251,092 | 3 | 4 | .000699529 |
| Random Totals: | 158,222,139 | 158,404,863 | 42 | 329,527 | ||
| Catg J Exception Values: | 38,691,127 | 37,369,852 | ||||
| Catg D1 Exception Values: | 15,119,460 | 19,511,538 | ||||
| Total Test Values (4): | 212,032,726 | 215,286,253 |
Margin of Error
| Margin of Error Percent: | 5.0000002 |
|---|---|
| Margin of Error Value: | 10,764,313 |
Confidence Interval Values (5)
| State Lower Limit: | 204,521,940 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 212,032,726 | (Within Confidence Interval) |
| State Upper Limit: | 226,050,566 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 992,195,628 | (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