2008 Confidence Interval Detail
109/Hill
109-903/Covington ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 3,330,100 | 0.9930 | 3,353,575 | 14 | 81 | .010884371 |
| A | 3,677,640 | 0.9992 | 3,680,584 | 14 | 52 | .007296477 |
| A | 3,325,130 | 0.9745 | 3,412,140 | 11 | 33 | .007377997 |
| A | 4,632,760 | 0.9263 | 5,001,360 | 10 | 32 | .013661085 |
| D3 | 35,052,460 | 0.9625 | 36,418,140 | 41 | 1,172 | .041797191 |
| Random Totals: | 50,018,090 | 51,865,799 | 90 | 1,370 | ||
| Catg J Exception Values: | 9,716,562 | 12,230,691 | ||||
| Catg D1 Exception Values: | 2,532,321 | 2,247,434 | ||||
| Total Test Values (4): | 62,266,973 | 66,343,924 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 3,317,196 |
Confidence Interval Values (5)
| Local Test Value: | 62,266,973 | (Outside Confidence Interval) |
|---|---|---|
| State Lower Limit: | 63,026,728 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 69,661,120 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 76,074,173 | (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