2008 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 | 512,019,672 | 0.9016 | 567,901,145 | 13 | 5,014 | .018664330 |
| A | 592,996,736 | 0.9924 | 597,538,025 | 10 | 3,171 | .002371752 |
| A | 584,562,676 | 1.0125 | 577,345,853 | 5 | 2,008 | .003676756 |
| A | 746,254,329 | 0.9988 | 747,150,910 | 11 | 1,578 | .005760152 |
| C | 39,595,785 | 0.9532 | 41,539,850 | 10 | 3,020 | .093024410 |
| C | 35,275,480 | 1.0063 | 35,054,636 | 6 | 1,176 | .024956251 |
| C | 54,535,410 | 0.8513 | 64,061,330 | 7 | 900 | .023928266 |
| C | 58,192,800 | 0.8956 | 64,976,329 | 8 | 382 | .028731706 |
| D3 | 257,132,454 | 0.8774 | 293,061,835 | 12 | 2,329 | .050045364 |
| F1 | 41,047,154 | 0.6630 | 61,911,243 | 8 | 228 | .249369646 |
| F1 | 44,099,640 | 0.9135 | 48,275,468 | 6 | 105 | .008849337 |
| F1 | 44,742,970 | 0.8945 | 50,020,089 | 6 | 47 | .002052530 |
| F1 | 63,335,020 | 0.9800 | 64,627,571 | 4 | 15 | .001698423 |
| Random Totals: | 3,073,790,126 | 3,213,464,284 | 106 | 19,973 | ||
| Catg D1 Exception Values: | 20,777,223 | 20,322,296 | ||||
| Total Test Values (4): | 3,094,567,349 | 3,233,786,580 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 161,689,329 |
Confidence Interval Values (5)
| State Lower Limit: | 3,072,097,251 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 3,094,567,349 | (Within Confidence Interval) |
| State Upper Limit: | 3,395,475,909 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 3,067,408,445 | (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