2007 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 | 14,385,507 | 0.8671 | 16,590,367 | 9 | 501 | .066822094 |
| A | 14,389,409 | 0.8886 | 16,193,348 | 10 | 275 | .074754728 |
| A | 14,424,300 | 0.9629 | 14,980,060 | 10 | 188 | .019708776 |
| A | 14,280,651 | 0.9140 | 15,624,345 | 16 | 104 | .023325095 |
| G1 | 49,303,639 | 1.1298 | 43,639,263 | 7 | 98 | .044773369 |
| G1 | 49,056,434 | 0.9949 | 49,307,904 | 6 | 32 | .000442590 |
| G1 | 51,930,514 | 1.0006 | 51,899,374 | 5 | 14 | .000223360 |
| G1 | 43,310,425 | 1.0343 | 41,874,142 | 3 | 4 | .000550020 |
| Random Totals: | 251,080,879 | 250,108,803 | 66 | 1,216 | ||
| Catg J Exception Values: | 7,677,145 | 7,664,616 | ||||
| Catg D1 Exception Values: | 9,923,290 | 11,150,824 | ||||
| Total Test Values (4): | 268,681,314 | 268,924,243 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 13,446,212 |
Confidence Interval Values (5)
| State Lower Limit: | 255,478,031 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 268,681,314 | (Within Confidence Interval) |
| State Upper Limit: | 282,370,455 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 306,630,251 | (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