2007 Confidence Interval Detail
170/Montgomery
170-906/Magnolia ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 514,897,735 | 0.9386 | 548,580,583 | 39 | 4,931 | .010185603 |
| A | 514,618,216 | 0.9710 | 529,987,864 | 39 | 2,553 | .009471289 |
| A | 514,731,012 | 0.9556 | 538,646,936 | 37 | 1,701 | .006673301 |
| A | 514,577,291 | 0.9682 | 531,478,301 | 36 | 1,054 | .006340759 |
| C | 43,022,951 | 0.9803 | 43,887,535 | 9 | 3,383 | .002240543 |
| C | 43,041,127 | 0.9188 | 46,844,936 | 8 | 1,478 | .023902885 |
| C | 43,023,091 | 0.9458 | 45,488,572 | 17 | 779 | .022772968 |
| C | 42,919,219 | 0.9877 | 43,453,700 | 14 | 297 | .006363109 |
| D3 | 230,472,560 | 0.9769 | 235,922,367 | 13 | 2,321 | .077629375 |
| F1 | 37,726,753 | 0.9518 | 39,637,269 | 7 | 203 | .004862808 |
| F1 | 37,997,747 | 0.9365 | 40,574,209 | 7 | 79 | .013001943 |
| F1 | 38,023,961 | 0.9761 | 38,954,985 | 6 | 35 | .016467422 |
| F1 | 36,274,885 | 0.9378 | 38,680,833 | 5 | 8 | .000169554 |
| Random Totals: | 2,611,326,548 | 2,722,138,090 | 237 | 18,822 | ||
| Catg D1 Exception Values: | 20,666,513 | 20,214,602 | ||||
| Total Test Values (4): | 2,631,993,061 | 2,742,352,692 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 137,117,635 |
Confidence Interval Values (5)
| State Lower Limit: | 2,605,235,057 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 2,631,993,061 | (Within Confidence Interval) |
| State Upper Limit: | 2,879,470,327 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 2,672,954,570 | (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