2011 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 | 4,189,957 | 0.9220 | 4,544,422 | 11 | 332 | .007536156 |
| A | 4,164,691 | 0.9242 | 4,506,266 | 10 | 149 | .002932106 |
| A | 4,149,169 | 0.9276 | 4,473,015 | 10 | 88 | .000887834 |
| A | 4,093,455 | 0.9727 | 4,208,343 | 10 | 53 | .002282644 |
| D3 | 6,696,687 | 0.9810 | 6,826,388 | 15 | 1,208 | .001696800 |
| G1 | 4,662,726 | 0.9818 | 4,749,161 | 7 | 25 | .003232573 |
| L1 | 2,043,589 | 1.0038 | 2,035,853 | 10 | 47 | .001808738 |
| L1 | 2,401,699 | 0.9979 | 2,406,753 | 5 | 7 | .001204573 |
| Random Totals: | 32,401,973 | 33,750,201 | 78 | 1,909 | ||
| Catg D1 Exception Values: | 17,040,936 | 18,222,892 | ||||
| Catg G1 Exception Values: | 7,017,807 | 6,872,305 | ||||
| Total Test Values (4): | 56,460,716 | 58,845,398 |
Margin of Error
| Margin of Error Percent: | 5.0000002 |
|---|---|
| Margin of Error Value: | 2,942,270 |
Confidence Interval Values (5)
| State Lower Limit: | 55,903,128 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 56,460,716 | (Within Confidence Interval) |
| State Upper Limit: | 61,787,668 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 59,508,064 | (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