2011 Confidence Interval Detail
114/Howard
114-902/Coahoma ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 17,388,463 | 0.9153 | 18,997,556 | 13 | 511 | .008801997 |
| A | 16,527,145 | 0.9664 | 17,101,764 | 12 | 260 | .005167795 |
| A | 18,496,988 | 0.9615 | 19,237,637 | 15 | 196 | .005101663 |
| A | 18,876,492 | 0.9676 | 19,508,570 | 17 | 108 | .002308934 |
| G1 | 65,336,074 | 0.9665 | 67,600,697 | 9 | 93 | .006375220 |
| G1 | 68,607,349 | 1.0241 | 66,992,822 | 8 | 30 | .010075491 |
| G1 | 69,788,671 | 1.0380 | 67,233,787 | 5 | 11 | .019036133 |
| G1 | 56,936,640 | 1.0088 | 56,439,968 | 2 | 3 | .006120280 |
| Random Totals: | 331,957,822 | 333,112,801 | 81 | 1,212 | ||
| Catg J Exception Values: | 6,716,091 | 7,319,242 | ||||
| Catg D1 Exception Values: | 17,660,639 | 14,169,231 | ||||
| Total Test Values (4): | 356,334,552 | 354,601,274 |
Margin of Error
| Margin of Error Percent: | 5.0000001 |
|---|---|
| Margin of Error Value: | 17,730,064 |
Confidence Interval Values (5)
| State Lower Limit: | 336,871,210 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 356,334,552 | (Within Confidence Interval) |
| State Upper Limit: | 372,331,338 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 412,727,172 | (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