2012 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 | 4,177,970 | 0.9954 | 4,197,277 | 9 | 97 | .005888095 |
| A | 4,394,230 | 0.9813 | 4,477,968 | 8 | 57 | .001208138 |
| A | 3,926,000 | 0.9659 | 4,064,603 | 9 | 36 | .004764316 |
| A | 4,046,980 | 0.9757 | 4,147,771 | 7 | 25 | .001538711 |
| D3 | 37,636,400 | 0.9694 | 38,824,427 | 16 | 1,193 | .053960534 |
| G1 | 4,951,378 | 0.9897 | 5,002,908 | 6 | 18 | .022801341 |
| G1 | 4,690,191 | 0.9659 | 4,855,773 | 5 | 11 | .050751403 |
| G1 | 4,709,448 | 1.0662 | 4,417,040 | 4 | 7 | .079847141 |
| G1 | 4,114,077 | 1.1059 | 3,720,117 | 2 | 3 | .001037190 |
| Random Totals: | 72,646,674 | 73,707,884 | 66 | 1,447 | ||
| Catg J Exception Values: | 9,696,720 | 10,863,548 | ||||
| Catg D1 Exception Values: | 2,519,151 | 2,178,214 | ||||
| Total Test Values (4): | 84,862,545 | 86,749,646 |
Margin of Error
| Margin of Error Percent: | 5.3581394 |
|---|---|
| Margin of Error Value: | 4,648,167 |
Confidence Interval Values (5)
| State Lower Limit: | 82,101,479 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 84,862,545 | (Within Confidence Interval) |
| State Upper Limit: | 91,397,813 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 85,617,435 | (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