2009 Confidence Interval Detail
040/Cochran
040-901/Morton ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 3,778,700 | 0.9575 | 3,946,423 | 7 | 331 | .002110518 |
| A | 4,066,700 | 0.9301 | 4,372,326 | 7 | 162 | .051195169 |
| A | 3,936,930 | 0.9316 | 4,225,988 | 8 | 91 | .013231282 |
| A | 5,129,150 | 0.9915 | 5,173,122 | 6 | 72 | .003707924 |
| D3 | 6,305,460 | 0.9551 | 6,601,885 | 13 | 1,181 | .002391234 |
| G1 | 3,887,902 | 1.0749 | 3,616,989 | 6 | 25 | .004265254 |
| L1 | 1,117,040 | 1.0345 | 1,079,787 | 6 | 40 | .011740283 |
| L1 | 725,830 | 1.0417 | 696,775 | 4 | 7 | .010685651 |
| L1 | 1,066,950 | 0.9746 | 1,094,757 | 3 | 6 | .004558540 |
| L1 | 1,285,430 | 1.0060 | 1,277,763 | 2 | 4 | .000143931 |
| Random Totals: | 31,300,092 | 32,085,815 | 62 | 1,919 | ||
| Catg D1 Exception Values: | 25,612,160 | 26,211,256 | ||||
| Catg G1 Exception Values: | 5,804,286 | 5,370,731 | ||||
| Total Test Values (4): | 62,716,538 | 63,667,802 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 3,183,390 |
Confidence Interval Values (5)
| State Lower Limit: | 60,484,412 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 62,716,538 | (Within Confidence Interval) |
| State Upper Limit: | 66,851,192 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 65,451,038 | (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